'\" t
.\"***************************************************************************
-.\" Copyright (c) 1998-2015,2017 Free Software Foundation, Inc. *
+.\" Copyright 2018-2020,2021 Thomas E. Dickey *
+.\" Copyright 1998-2015,2017 Free Software Foundation, Inc. *
.\" *
.\" Permission is hereby granted, free of charge, to any person obtaining a *
.\" copy of this software and associated documentation files (the *
.\" authorization. *
.\"***************************************************************************
.\"
-.\" $Id: ncurses.3x,v 1.130 2017/03/09 10:21:11 tom Exp $
+.\" $Id: ncurses.3x,v 1.156 2021/12/25 21:19:26 tom Exp $
.hy 0
.TH ncurses 3X ""
.ie \n(.g .ds `` \(lq
.ie \n(.g .ds '' \(rq
.el .ds '' ''
.de bP
-.IP \(bu 4
+.ie n .IP \(bu 4
+.el .IP \(bu 2
..
.de NS
-.ie \n(.sp
+.ie n .sp
.el .sp .5
-.ie \n(.in +4
+.ie n .in +4
.el .in +2
.nf
.ft C \" Courier
.de NE
.fi
.ft R
-.in -4
+.ie n .in -4
+.el .in -2
..
.ds n 5
.ds d @TERMINFO@
.SH NAME
-\fBncurses\fR \- CRT screen handling and optimization package
+\fBncurses\fP \- CRT screen handling and optimization package
.SH SYNOPSIS
-\fB#include <curses.h>\fR
+\fB#include <curses.h>\fP
.br
.SH DESCRIPTION
-The \fBncurses\fR library routines give the user a terminal-independent method
+The \fBncurses\fP library routines give the user a terminal-independent method
of updating character screens with reasonable optimization.
This implementation is \*(``new curses\*('' (ncurses) and
is the approved replacement for
4.4BSD classic curses, which has been discontinued.
-This describes \fBncurses\fR
+This describes \fBncurses\fP
version @NCURSES_MAJOR@.@NCURSES_MINOR@ (patch @NCURSES_PATCH@).
.PP
-The \fBncurses\fR library emulates the curses library of
+The \fBncurses\fP library emulates the curses library of
System V Release 4 UNIX,
and XPG4 (X/Open Portability Guide) curses (also known as XSI curses).
XSI stands for X/Open System Interfaces Extension.
-The \fBncurses\fR library is freely redistributable in source form.
+The \fBncurses\fP library is freely redistributable in source form.
Differences from the SVr4
curses are summarized under the
-\fBEXTENSIONS\fP and \fBPORTABILITY\fP sections below and
+\fIEXTENSIONS\fP and \fIPORTABILITY\fP sections below and
described in detail in the respective
-\fBEXTENSIONS\fP, \fBPORTABILITY\fP and \fBBUGS\fP sections
+\fIEXTENSIONS\fP, \fIPORTABILITY\fP and \fIBUGS\fP sections
of individual man pages.
.PP
-The \fBncurses\fR library also provides many useful extensions,
+The \fBncurses\fP library also provides many useful extensions,
i.e., features which cannot be implemented by a simple add-on library
but which require access to the internals of the library.
.PP
-A program using these routines must be linked with the \fB\-lncurses\fR option,
-or (if it has been generated) with the debugging library \fB\-lncurses_g\fR.
+A program using these routines must be linked with the \fB\-lncurses\fP option,
+or (if it has been generated) with the debugging library \fB\-lncurses_g\fP.
(Your system integrator may also have installed these libraries under
-the names \fB\-lcurses\fR and \fB\-lcurses_g\fR.)
-The ncurses_g library generates trace logs (in a file called 'trace' in the
+the names \fB\-lcurses\fP and \fB\-lcurses_g\fP.)
+The ncurses_g library generates trace logs (in a file called \*(``trace\*('' in the
current directory) that describe curses actions.
See also the section on \fBALTERNATE CONFIGURATIONS\fP.
.PP
-The \fBncurses\fR package supports: overall screen, window and pad
+The \fBncurses\fP package supports: overall screen, window and pad
manipulation; output to windows and pads; reading terminal input; control over
-terminal and \fBcurses\fR input and output options; environment query
+terminal and \fBcurses\fP input and output options; environment query
routines; color manipulation; use of soft label keys; terminfo capabilities;
and access to low-level terminal-manipulation routines.
.SS Initialization
.PP
The library uses the locale which the calling program has initialized.
-That is normally done with \fBsetlocale\fP:
+That is normally done with \fBsetlocale\fP(3):
.NS
- \fBsetlocale(LC_ALL, "");\fP
+\fBsetlocale(LC_ALL, "");\fP
.NE
+.PP
If the locale is not initialized,
the library assumes that characters are printable as in ISO\-8859\-1,
to work with certain legacy programs.
You should initialize the locale and not rely on specific details of
the library when the locale has not been setup.
.PP
-The function \fBinitscr\fR or \fBnewterm\fR
+The function \fBinitscr\fP or \fBnewterm\fP
must be called to initialize the library
before any of the other routines that deal with windows
and screens are used.
-The routine \fBendwin\fR(3X) must be called before exiting.
+The routine \fBendwin\fP(3X) must be called before exiting.
.PP
To get character-at-a-time input without echoing (most
interactive, screen oriented programs want this), the following
sequence should be used:
.NS
- \fBinitscr(); cbreak(); noecho();\fR
+\fBinitscr(); cbreak(); noecho();\fP
.NE
+.PP
Most programs would additionally use the sequence:
.NS
- \fBnonl();\fR
- \fBintrflush(stdscr, FALSE);\fR
- \fBkeypad(stdscr, TRUE);\fR
+\fBintrflush(stdscr, FALSE);\fP
+\fBkeypad(stdscr, TRUE);\fP
.NE
-Before a \fBcurses\fR program is run, the tab stops of the terminal
+.PP
+Before a \fBcurses\fP program is run, the tab stops of the terminal
should be set and its initialization strings, if defined, must be output.
-This can be done by executing the \fB@TPUT@ init\fR command
-after the shell environment variable \fBTERM\fR has been exported.
-\fB@TSET@(1)\fR is usually responsible for doing this.
-[See \fBterminfo\fR(\*n) for further details.]
+This can be done by executing the \fB@TPUT@ init\fP command
+after the shell environment variable \fBTERM\fP has been exported.
+\fB@TSET@(1)\fP is usually responsible for doing this.
+[See \fBterminfo\fP(\*n) for further details.]
.SS Datatypes
.PP
-The \fBncurses\fR library permits manipulation of data structures,
-called \fIwindows\fR, which can be thought of as two-dimensional
+The \fBncurses\fP library permits manipulation of data structures,
+called \fIwindows\fP, which can be thought of as two-dimensional
arrays of characters representing all or part of a CRT screen.
-A default window called \fBstdscr\fR, which is the size of the terminal
+A default window called \fBstdscr\fP, which is the size of the terminal
screen, is supplied.
-Others may be created with \fBnewwin\fR.
+Others may be created with \fBnewwin\fP.
.PP
-Note that \fBcurses\fR does not handle overlapping windows, that's done by
-the \fBpanel\fR(3X) library.
+Note that \fBcurses\fP does not handle overlapping windows, that's done by
+the \fBpanel\fP(3X) library.
This means that you can either use
-\fBstdscr\fR or divide the screen into tiled windows and not using
-\fBstdscr\fR at all.
+\fBstdscr\fP or divide the screen into tiled windows and not using
+\fBstdscr\fP at all.
Mixing the two will result in unpredictable, and undesired, effects.
.PP
-Windows are referred to by variables declared as \fBWINDOW *\fR.
+Windows are referred to by variables declared as \fBWINDOW *\fP.
These data structures are manipulated with routines described here and
-elsewhere in the \fBncurses\fR manual pages.
+elsewhere in the \fBncurses\fP manual pages.
Among those, the most basic
-routines are \fBmove\fR and \fBaddch\fR.
+routines are \fBmove\fP and \fBaddch\fP.
More general versions of
-these routines are included with names beginning with \fBw\fR,
+these routines are included with names beginning with \fBw\fP,
allowing the user to specify a window.
The routines not beginning
-with \fBw\fR affect \fBstdscr\fR.
+with \fBw\fP affect \fBstdscr\fP.
.PP
-After using routines to manipulate a window, \fBrefresh\fR(3X) is called,
-telling \fBcurses\fR to make the user's CRT screen look like
-\fBstdscr\fR.
+After using routines to manipulate a window, \fBrefresh\fP(3X) is called,
+telling \fBcurses\fP to make the user's CRT screen look like
+\fBstdscr\fP.
The characters in a window are actually of type
-\fBchtype\fR, (character and attribute data) so that other information
+\fBchtype\fP, (character and attribute data) so that other information
about the character may also be stored with each character.
.PP
-Special windows called \fIpads\fR may also be manipulated.
+Special windows called \fIpads\fP may also be manipulated.
These are windows
which are not constrained to the size of the screen and whose contents need not
be completely displayed.
-See \fBcurs_pad\fR(3X) for more information.
+See \fBcurs_pad\fP(3X) for more information.
.PP
In addition to drawing characters on the screen, video attributes and colors
may be supported, causing the characters to show up in such modes as
underlined, in reverse video, or in color on terminals that support such
display enhancements.
Line drawing characters may be specified to be output.
-On input, \fBcurses\fR is also able to translate arrow and function keys that
+On input, \fBcurses\fP is also able to translate arrow and function keys that
transmit escape sequences into single values.
The video attributes, line
-drawing characters, and input values use names, defined in \fB<curses.h>\fR,
-such as \fBA_REVERSE\fR, \fBACS_HLINE\fR, and \fBKEY_LEFT\fR.
+drawing characters, and input values use names, defined in \fB<curses.h>\fP,
+such as \fBA_REVERSE\fP, \fBACS_HLINE\fP, and \fBKEY_LEFT\fP.
.SS Environment variables
.PP
-If the environment variables \fBLINES\fR and \fBCOLUMNS\fR are set, or if the
+If the environment variables \fBLINES\fP and \fBCOLUMNS\fP are set, or if the
program is executing in a window environment, line and column information in
-the environment will override information read by \fIterminfo\fR.
+the environment will override information read by \fIterminfo\fP.
This would affect a program running in an AT&T 630 layer,
for example, where the size of a
-screen is changeable (see \fBENVIRONMENT\fR).
+screen is changeable (see \fBENVIRONMENT\fP).
.PP
-If the environment variable \fBTERMINFO\fR is defined, any program using
-\fBcurses\fR checks for a local terminal definition before checking in the
+If the environment variable \fBTERMINFO\fP is defined, any program using
+\fBcurses\fP checks for a local terminal definition before checking in the
standard place.
-For example, if \fBTERM\fR is set to \fBatt4424\fR, then the
+For example, if \fBTERM\fP is set to \fBatt4424\fP, then the
compiled terminal definition is found in
.NS
- \fB\*d/a/att4424\fR.
+\fB\*d/a/att4424\fP.
.NE
-(The \fBa\fR is copied from the first letter of \fBatt4424\fR to avoid
-creation of huge directories.) However, if \fBTERMINFO\fR is set to
-\fB$HOME/myterms\fR, \fBcurses\fR first checks
+.PP
+(The \fBa\fP is copied from the first letter of \fBatt4424\fP to avoid
+creation of huge directories.) However, if \fBTERMINFO\fP is set to
+\fB$HOME/myterms\fP, \fBcurses\fP first checks
.NS
- \fB$HOME/myterms/a/att4424\fR,
+\fB$HOME/myterms/a/att4424\fP,
.NE
+.PP
and if that fails, it then checks
.NS
- \fB\*d/a/att4424\fR.
+\fB\*d/a/att4424\fP.
.NE
+.PP
This is useful for developing experimental definitions or when write
-permission in \fB\*d\fR is not available.
+permission in \fB\*d\fP is not available.
.PP
-The integer variables \fBLINES\fR and \fBCOLS\fR are defined in
-\fB<curses.h>\fR and will be filled in by \fBinitscr\fR with the size of the
+The integer variables \fBLINES\fP and \fBCOLS\fP are defined in
+\fB<curses.h>\fP and will be filled in by \fBinitscr\fP with the size of the
screen.
-The constants \fBTRUE\fR and \fBFALSE\fR have the values \fB1\fR and
-\fB0\fR, respectively.
+The constants \fBTRUE\fP and \fBFALSE\fP have the values \fB1\fP and
+\fB0\fP, respectively.
.PP
-The \fBcurses\fR routines also define the \fBWINDOW *\fR variable \fBcurscr\fR
+The \fBcurses\fP routines also define the \fBWINDOW *\fP variable \fBcurscr\fP
which is used for certain low-level operations like clearing and redrawing a
screen containing garbage.
-The \fBcurscr\fR can be used in only a few routines.
+The \fBcurscr\fP can be used in only a few routines.
.\"
.SS Routine and Argument Names
-Many \fBcurses\fR routines have two or more versions.
-The routines prefixed with \fBw\fR require a window argument.
-The routines prefixed with \fBp\fR require a pad argument.
-Those without a prefix generally use \fBstdscr\fR.
+Many \fBcurses\fP routines have two or more versions.
+The routines prefixed with \fIw\fP require a window argument.
+The routines prefixed with \fIp\fP require a pad argument.
+Those without a prefix generally use \fBstdscr\fP.
.PP
-The routines prefixed with \fBmv\fR require a \fIy\fR and \fIx\fR
+The routines prefixed with \fBmv\fP require a \fIy\fP and \fIx\fP
coordinate to move to before performing the appropriate action.
-The \fBmv\fR routines imply a call to \fBmove\fR before the call to the
+The \fBmv\fP routines imply a call to \fBmove\fP before the call to the
other routine.
-The coordinate \fIy\fR always refers to the row (of
-the window), and \fIx\fR always refers to the column.
+The coordinate \fIy\fP always refers to the row (of
+the window), and \fIx\fP always refers to the column.
The upper left-hand corner is always (0,0), not (1,1).
.PP
-The routines prefixed with \fBmvw\fR take both a window argument and
-\fIx\fR and \fIy\fR coordinates.
+The routines prefixed with \fBmvw\fP take both a window argument and
+\fIx\fP and \fIy\fP coordinates.
The window argument is always specified before the coordinates.
.PP
-In each case, \fIwin\fR is the window affected, and \fIpad\fR is the
-pad affected; \fIwin\fR and \fIpad\fR are always pointers to type
-\fBWINDOW\fR.
+In each case, \fIwin\fP is the window affected, and \fIpad\fP is the
+pad affected; \fIwin\fP and \fIpad\fP are always pointers to type
+\fBWINDOW\fP.
.PP
-Option setting routines require a Boolean flag \fIbf\fR with the value
-\fBTRUE\fR or \fBFALSE\fR; \fIbf\fR is always of type \fBbool\fR.
+Option setting routines require a Boolean flag \fIbf\fP with the value
+\fBTRUE\fP or \fBFALSE\fP; \fIbf\fP is always of type \fBbool\fP.
Most of the data types used in the library routines,
-such as \fBWINDOW\fR, \fBSCREEN\fR, \fBbool\fR, and \fBchtype\fR
-are defined in \fB<curses.h>\fR.
+such as \fBWINDOW\fP, \fBSCREEN\fP, \fBbool\fP, and \fBchtype\fP
+are defined in \fB<curses.h>\fP.
Types used for the terminfo routines such as
-\fBTERMINAL\fR are defined in \fB<term.h>\fR.
+\fBTERMINAL\fP are defined in \fB<term.h>\fP.
.PP
This manual page describes functions which may appear in any configuration
of the library.
.RS 3
.TP 5
.I ncurses
-the "normal" library, which handles 8-bit characters.
+the \*(``normal\*('' library, which handles 8-bit characters.
The normal (8-bit) library stores characters combined with attributes
in \fBchtype\fP data.
.IP
Each cell (row and column) in a \fBWINDOW\fP is stored as a \fBchtype\fP.
.TP 5
.I ncursesw
-the so-called "wide" library, which handles multibyte characters
+the so-called \*(``wide\*('' library, which handles multibyte characters
(see the section on \fBALTERNATE CONFIGURATIONS\fP).
-The "wide" library includes all of the calls from the "normal" library.
+The \*(``wide\*('' library includes all of the calls
+from the \*(``normal\*('' library.
It adds about one third more calls using data types which store
multibyte characters:
.RS 5
The video attributes and color are stored in separate fields of the structure.
.IP
Each cell (row and column) in a \fBWINDOW\fP is stored as a \fBcchar_t\fP.
+.IP
+The \fBsetcchar\fP(3X) and \fBgetcchar\fP(3X)
+functions store and retrieve the data from
+a \fBcchar_t\fP structure.
.TP 5
.B wchar_t
-stores a "wide" character.
+stores a \*(``wide\*('' character.
Like \fBchtype\fP, this may be an integer.
.TP 5
.B wint_t
the same size.
.RE
.IP
-The "wide" library provides new functions which are analogous to
-functions in the "normal" library.
+The \*(``wide\*('' library provides new functions which are analogous to
+functions in the \*(``normal\*('' library.
There is a naming convention which relates many of the normal/wide variants:
-a "_w" is inserted into the name.
+a \*(``_w\*('' is inserted into the name.
For example, \fBwaddch\fP becomes \fBwadd_wch\fP.
.RE
.PP
.\"
.SS Routine Name Index
-The following table lists each \fBcurses\fR routine and the name of
-the manual page on which it is described.
+The following table lists the \fBcurses\fP routines provided in
+the \*(``normal\*('' and \*(``wide\*('' libraries and the names of
+the manual pages on which they are described.
Routines flagged with \*(``*\*(''
are ncurses-specific, not described by XPG4 or present in SVr4.
.PP
center tab(/);
l l
l l .
-\fBcurses\fR Routine Name/Manual Page Name
+\fBcurses\fP Routine Name/Manual Page Name
=
-COLOR_PAIR/\fBcurs_color\fR(3X)
-PAIR_NUMBER/\fBcurs_attr\fR(3X)
-_nc_free_and_exit/\fBcurs_memleaks\fR(3X)*
-_nc_freeall/\fBcurs_memleaks\fR(3X)*
-_nc_tracebits/\fBcurs_trace\fR(3X)*
-_traceattr/\fBcurs_trace\fR(3X)*
-_traceattr2/\fBcurs_trace\fR(3X)*
-_tracechar/\fBcurs_trace\fR(3X)*
-_tracechtype/\fBcurs_trace\fR(3X)*
-_tracechtype2/\fBcurs_trace\fR(3X)*
-_tracedump/\fBcurs_trace\fR(3X)*
-_tracef/\fBcurs_trace\fR(3X)*
-_tracemouse/\fBcurs_trace\fR(3X)*
-add_wch/\fBcurs_add_wch\fR(3X)
-add_wchnstr/\fBcurs_add_wchstr\fR(3X)
-add_wchstr/\fBcurs_add_wchstr\fR(3X)
-addch/\fBcurs_addch\fR(3X)
-addchnstr/\fBcurs_addchstr\fR(3X)
-addchstr/\fBcurs_addchstr\fR(3X)
-addnstr/\fBcurs_addstr\fR(3X)
-addnwstr/\fBcurs_addwstr\fR(3X)
-addstr/\fBcurs_addstr\fR(3X)
-addwstr/\fBcurs_addwstr\fR(3X)
-alloc_pair/\fBnew_pair\fR(3X)*
-assume_default_colors/\fBdefault_colors\fR(3X)*
-attr_get/\fBcurs_attr\fR(3X)
-attr_off/\fBcurs_attr\fR(3X)
-attr_on/\fBcurs_attr\fR(3X)
-attr_set/\fBcurs_attr\fR(3X)
-attroff/\fBcurs_attr\fR(3X)
-attron/\fBcurs_attr\fR(3X)
-attrset/\fBcurs_attr\fR(3X)
-baudrate/\fBcurs_termattrs\fR(3X)
-beep/\fBcurs_beep\fR(3X)
-bkgd/\fBcurs_bkgd\fR(3X)
-bkgdset/\fBcurs_bkgd\fR(3X)
-bkgrnd/\fBcurs_bkgrnd\fR(3X)
-bkgrndset/\fBcurs_bkgrnd\fR(3X)
-border/\fBcurs_border\fR(3X)
-border_set/\fBcurs_border_set\fR(3X)
-box/\fBcurs_border\fR(3X)
-box_set/\fBcurs_border_set\fR(3X)
-can_change_color/\fBcurs_color\fR(3X)
-cbreak/\fBcurs_inopts\fR(3X)
-chgat/\fBcurs_attr\fR(3X)
-clear/\fBcurs_clear\fR(3X)
-clearok/\fBcurs_outopts\fR(3X)
-clrtobot/\fBcurs_clear\fR(3X)
-clrtoeol/\fBcurs_clear\fR(3X)
-color_content/\fBcurs_color\fR(3X)
-color_set/\fBcurs_attr\fR(3X)
-copywin/\fBcurs_overlay\fR(3X)
-curs_set/\fBcurs_kernel\fR(3X)
-curses_version/\fBcurs_extend\fR(3X)*
-def_prog_mode/\fBcurs_kernel\fR(3X)
-def_shell_mode/\fBcurs_kernel\fR(3X)
-define_key/\fBdefine_key\fR(3X)*
-del_curterm/\fBcurs_terminfo\fR(3X)
-delay_output/\fBcurs_util\fR(3X)
-delch/\fBcurs_delch\fR(3X)
-deleteln/\fBcurs_deleteln\fR(3X)
-delscreen/\fBcurs_initscr\fR(3X)
-delwin/\fBcurs_window\fR(3X)
-derwin/\fBcurs_window\fR(3X)
-doupdate/\fBcurs_refresh\fR(3X)
-dupwin/\fBcurs_window\fR(3X)
-echo/\fBcurs_inopts\fR(3X)
-echo_wchar/\fBcurs_add_wch\fR(3X)
-echochar/\fBcurs_addch\fR(3X)
-endwin/\fBcurs_initscr\fR(3X)
-erase/\fBcurs_clear\fR(3X)
-erasechar/\fBcurs_termattrs\fR(3X)
-erasewchar/\fBcurs_termattrs\fR(3X)
-filter/\fBcurs_util\fR(3X)
-find_pair/\fBnew_pair\fR(3X)*
-flash/\fBcurs_beep\fR(3X)
-flushinp/\fBcurs_util\fR(3X)
-free_pair/\fBnew_pair\fR(3X)*
-get_wch/\fBcurs_get_wch\fR(3X)
-get_wstr/\fBcurs_get_wstr\fR(3X)
-getattrs/\fBcurs_attr\fR(3X)
-getbegx/\fBcurs_legacy\fR(3X)*
-getbegy/\fBcurs_legacy\fR(3X)*
-getbegyx/\fBcurs_getyx\fR(3X)
-getbkgd/\fBcurs_bkgd\fR(3X)
-getbkgrnd/\fBcurs_bkgrnd\fR(3X)
-getcchar/\fBcurs_getcchar\fR(3X)
-getch/\fBcurs_getch\fR(3X)
-getcurx/\fBcurs_legacy\fR(3X)*
-getcury/\fBcurs_legacy\fR(3X)*
-getmaxx/\fBcurs_legacy\fR(3X)*
-getmaxy/\fBcurs_legacy\fR(3X)*
-getmaxyx/\fBcurs_getyx\fR(3X)
-getmouse/\fBcurs_mouse\fR(3X)*
-getn_wstr/\fBcurs_get_wstr\fR(3X)
-getnstr/\fBcurs_getstr\fR(3X)
-getparx/\fBcurs_legacy\fR(3X)*
-getpary/\fBcurs_legacy\fR(3X)*
-getparyx/\fBcurs_getyx\fR(3X)
-getstr/\fBcurs_getstr\fR(3X)
-getsyx/\fBcurs_kernel\fR(3X)
-getwin/\fBcurs_util\fR(3X)
-getyx/\fBcurs_getyx\fR(3X)
-halfdelay/\fBcurs_inopts\fR(3X)
-has_colors/\fBcurs_color\fR(3X)
-has_ic/\fBcurs_termattrs\fR(3X)
-has_il/\fBcurs_termattrs\fR(3X)
-has_key/\fBcurs_getch\fR(3X)*
-hline/\fBcurs_border\fR(3X)
-hline_set/\fBcurs_border_set\fR(3X)
-idcok/\fBcurs_outopts\fR(3X)
-idlok/\fBcurs_outopts\fR(3X)
-immedok/\fBcurs_outopts\fR(3X)
-in_wch/\fBcurs_in_wch\fR(3X)
-in_wchnstr/\fBcurs_in_wchstr\fR(3X)
-in_wchstr/\fBcurs_in_wchstr\fR(3X)
-inch/\fBcurs_inch\fR(3X)
-inchnstr/\fBcurs_inchstr\fR(3X)
-inchstr/\fBcurs_inchstr\fR(3X)
-init_color/\fBcurs_color\fR(3X)
-init_pair/\fBcurs_color\fR(3X)
-initscr/\fBcurs_initscr\fR(3X)
-innstr/\fBcurs_instr\fR(3X)
-innwstr/\fBcurs_inwstr\fR(3X)
-ins_nwstr/\fBcurs_ins_wstr\fR(3X)
-ins_wch/\fBcurs_ins_wch\fR(3X)
-ins_wstr/\fBcurs_ins_wstr\fR(3X)
-insch/\fBcurs_insch\fR(3X)
-insdelln/\fBcurs_deleteln\fR(3X)
-insertln/\fBcurs_deleteln\fR(3X)
-insnstr/\fBcurs_insstr\fR(3X)
-insstr/\fBcurs_insstr\fR(3X)
-instr/\fBcurs_instr\fR(3X)
-intrflush/\fBcurs_inopts\fR(3X)
-inwstr/\fBcurs_inwstr\fR(3X)
-is_cleared/\fBcurs_opaque\fR(3X)*
-is_idcok/\fBcurs_opaque\fR(3X)*
-is_idlok/\fBcurs_opaque\fR(3X)*
-is_immedok/\fBcurs_opaque\fR(3X)*
-is_keypad/\fBcurs_opaque\fR(3X)*
-is_leaveok/\fBcurs_opaque\fR(3X)*
-is_linetouched/\fBcurs_touch\fR(3X)
-is_nodelay/\fBcurs_opaque\fR(3X)*
-is_notimeout/\fBcurs_opaque\fR(3X)*
-is_pad/\fBcurs_opaque\fR(3X)*
-is_scrollok/\fBcurs_opaque\fR(3X)*
-is_subwin/\fBcurs_opaque\fR(3X)*
-is_syncok/\fBcurs_opaque\fR(3X)*
-is_term_resized/\fBresizeterm\fR(3X)*
-is_wintouched/\fBcurs_touch\fR(3X)
-isendwin/\fBcurs_initscr\fR(3X)
-key_defined/\fBkey_defined\fR(3X)*
-key_name/\fBcurs_util\fR(3X)
-keybound/\fBkeybound\fR(3X)*
-keyname/\fBcurs_util\fR(3X)
-keyok/\fBkeyok\fR(3X)*
-keypad/\fBcurs_inopts\fR(3X)
-killchar/\fBcurs_termattrs\fR(3X)
-killwchar/\fBcurs_termattrs\fR(3X)
-leaveok/\fBcurs_outopts\fR(3X)
-longname/\fBcurs_termattrs\fR(3X)
-mcprint/\fBcurs_print\fR(3X)*
-meta/\fBcurs_inopts\fR(3X)
-mouse_trafo/\fBcurs_mouse\fR(3X)*
-mouseinterval/\fBcurs_mouse\fR(3X)*
-mousemask/\fBcurs_mouse\fR(3X)*
-move/\fBcurs_move\fR(3X)
-mvadd_wch/\fBcurs_add_wch\fR(3X)
-mvadd_wchnstr/\fBcurs_add_wchstr\fR(3X)
-mvadd_wchstr/\fBcurs_add_wchstr\fR(3X)
-mvaddch/\fBcurs_addch\fR(3X)
-mvaddchnstr/\fBcurs_addchstr\fR(3X)
-mvaddchstr/\fBcurs_addchstr\fR(3X)
-mvaddnstr/\fBcurs_addstr\fR(3X)
-mvaddnwstr/\fBcurs_addwstr\fR(3X)
-mvaddstr/\fBcurs_addstr\fR(3X)
-mvaddwstr/\fBcurs_addwstr\fR(3X)
-mvchgat/\fBcurs_attr\fR(3X)
-mvcur/\fBcurs_terminfo\fR(3X)
-mvdelch/\fBcurs_delch\fR(3X)
-mvderwin/\fBcurs_window\fR(3X)
-mvget_wch/\fBcurs_get_wch\fR(3X)
-mvget_wstr/\fBcurs_get_wstr\fR(3X)
-mvgetch/\fBcurs_getch\fR(3X)
-mvgetn_wstr/\fBcurs_get_wstr\fR(3X)
-mvgetnstr/\fBcurs_getstr\fR(3X)
-mvgetstr/\fBcurs_getstr\fR(3X)
-mvhline/\fBcurs_border\fR(3X)
-mvhline_set/\fBcurs_border_set\fR(3X)
-mvin_wch/\fBcurs_in_wch\fR(3X)
-mvin_wchnstr/\fBcurs_in_wchstr\fR(3X)
-mvin_wchstr/\fBcurs_in_wchstr\fR(3X)
-mvinch/\fBcurs_inch\fR(3X)
-mvinchnstr/\fBcurs_inchstr\fR(3X)
-mvinchstr/\fBcurs_inchstr\fR(3X)
-mvinnstr/\fBcurs_instr\fR(3X)
-mvinnwstr/\fBcurs_inwstr\fR(3X)
-mvins_nwstr/\fBcurs_ins_wstr\fR(3X)
-mvins_wch/\fBcurs_ins_wch\fR(3X)
-mvins_wstr/\fBcurs_ins_wstr\fR(3X)
-mvinsch/\fBcurs_insch\fR(3X)
-mvinsnstr/\fBcurs_insstr\fR(3X)
-mvinsstr/\fBcurs_insstr\fR(3X)
-mvinstr/\fBcurs_instr\fR(3X)
-mvinwstr/\fBcurs_inwstr\fR(3X)
-mvprintw/\fBcurs_printw\fR(3X)
-mvscanw/\fBcurs_scanw\fR(3X)
-mvvline/\fBcurs_border\fR(3X)
-mvvline_set/\fBcurs_border_set\fR(3X)
-mvwadd_wch/\fBcurs_add_wch\fR(3X)
-mvwadd_wchnstr/\fBcurs_add_wchstr\fR(3X)
-mvwadd_wchstr/\fBcurs_add_wchstr\fR(3X)
-mvwaddch/\fBcurs_addch\fR(3X)
-mvwaddchnstr/\fBcurs_addchstr\fR(3X)
-mvwaddchstr/\fBcurs_addchstr\fR(3X)
-mvwaddnstr/\fBcurs_addstr\fR(3X)
-mvwaddnwstr/\fBcurs_addwstr\fR(3X)
-mvwaddstr/\fBcurs_addstr\fR(3X)
-mvwaddwstr/\fBcurs_addwstr\fR(3X)
-mvwchgat/\fBcurs_attr\fR(3X)
-mvwdelch/\fBcurs_delch\fR(3X)
-mvwget_wch/\fBcurs_get_wch\fR(3X)
-mvwget_wstr/\fBcurs_get_wstr\fR(3X)
-mvwgetch/\fBcurs_getch\fR(3X)
-mvwgetn_wstr/\fBcurs_get_wstr\fR(3X)
-mvwgetnstr/\fBcurs_getstr\fR(3X)
-mvwgetstr/\fBcurs_getstr\fR(3X)
-mvwhline/\fBcurs_border\fR(3X)
-mvwhline_set/\fBcurs_border_set\fR(3X)
-mvwin/\fBcurs_window\fR(3X)
-mvwin_wch/\fBcurs_in_wch\fR(3X)
-mvwin_wchnstr/\fBcurs_in_wchstr\fR(3X)
-mvwin_wchstr/\fBcurs_in_wchstr\fR(3X)
-mvwinch/\fBcurs_inch\fR(3X)
-mvwinchnstr/\fBcurs_inchstr\fR(3X)
-mvwinchstr/\fBcurs_inchstr\fR(3X)
-mvwinnstr/\fBcurs_instr\fR(3X)
-mvwinnwstr/\fBcurs_inwstr\fR(3X)
-mvwins_nwstr/\fBcurs_ins_wstr\fR(3X)
-mvwins_wch/\fBcurs_ins_wch\fR(3X)
-mvwins_wstr/\fBcurs_ins_wstr\fR(3X)
-mvwinsch/\fBcurs_insch\fR(3X)
-mvwinsnstr/\fBcurs_insstr\fR(3X)
-mvwinsstr/\fBcurs_insstr\fR(3X)
-mvwinstr/\fBcurs_instr\fR(3X)
-mvwinwstr/\fBcurs_inwstr\fR(3X)
-mvwprintw/\fBcurs_printw\fR(3X)
-mvwscanw/\fBcurs_scanw\fR(3X)
-mvwvline/\fBcurs_border\fR(3X)
-mvwvline_set/\fBcurs_border_set\fR(3X)
-napms/\fBcurs_kernel\fR(3X)
-newpad/\fBcurs_pad\fR(3X)
-newterm/\fBcurs_initscr\fR(3X)
-newwin/\fBcurs_window\fR(3X)
-nl/\fBcurs_outopts\fR(3X)
-nocbreak/\fBcurs_inopts\fR(3X)
-nodelay/\fBcurs_inopts\fR(3X)
-noecho/\fBcurs_inopts\fR(3X)
-nofilter/\fBcurs_util\fR(3X)*
-nonl/\fBcurs_outopts\fR(3X)
-noqiflush/\fBcurs_inopts\fR(3X)
-noraw/\fBcurs_inopts\fR(3X)
-notimeout/\fBcurs_inopts\fR(3X)
-overlay/\fBcurs_overlay\fR(3X)
-overwrite/\fBcurs_overlay\fR(3X)
-pair_content/\fBcurs_color\fR(3X)
-pechochar/\fBcurs_pad\fR(3X)
-pnoutrefresh/\fBcurs_pad\fR(3X)
-prefresh/\fBcurs_pad\fR(3X)
-printw/\fBcurs_printw\fR(3X)
-putp/\fBcurs_terminfo\fR(3X)
-putwin/\fBcurs_util\fR(3X)
-qiflush/\fBcurs_inopts\fR(3X)
-raw/\fBcurs_inopts\fR(3X)
-redrawwin/\fBcurs_refresh\fR(3X)
-refresh/\fBcurs_refresh\fR(3X)
-reset_prog_mode/\fBcurs_kernel\fR(3X)
-reset_shell_mode/\fBcurs_kernel\fR(3X)
-resetty/\fBcurs_kernel\fR(3X)
-resize_term/\fBresizeterm\fR(3X)*
-resizeterm/\fBresizeterm\fR(3X)*
-restartterm/\fBcurs_terminfo\fR(3X)
-ripoffline/\fBcurs_kernel\fR(3X)
-savetty/\fBcurs_kernel\fR(3X)
-scanw/\fBcurs_scanw\fR(3X)
-scr_dump/\fBcurs_scr_dump\fR(3X)
-scr_init/\fBcurs_scr_dump\fR(3X)
-scr_restore/\fBcurs_scr_dump\fR(3X)
-scr_set/\fBcurs_scr_dump\fR(3X)
-scrl/\fBcurs_scroll\fR(3X)
-scroll/\fBcurs_scroll\fR(3X)
-scrollok/\fBcurs_outopts\fR(3X)
-set_curterm/\fBcurs_terminfo\fR(3X)
-set_term/\fBcurs_initscr\fR(3X)
-setcchar/\fBcurs_getcchar\fR(3X)
-setscrreg/\fBcurs_outopts\fR(3X)
-setsyx/\fBcurs_kernel\fR(3X)
-setterm/\fBcurs_terminfo\fR(3X)
-setupterm/\fBcurs_terminfo\fR(3X)
-slk_attr/\fBcurs_slk\fR(3X)*
-slk_attr_off/\fBcurs_slk\fR(3X)
-slk_attr_on/\fBcurs_slk\fR(3X)
-slk_attr_set/\fBcurs_slk\fR(3X)
-slk_attroff/\fBcurs_slk\fR(3X)
-slk_attron/\fBcurs_slk\fR(3X)
-slk_attrset/\fBcurs_slk\fR(3X)
-slk_clear/\fBcurs_slk\fR(3X)
-slk_color/\fBcurs_slk\fR(3X)
-slk_init/\fBcurs_slk\fR(3X)
-slk_label/\fBcurs_slk\fR(3X)
-slk_noutrefresh/\fBcurs_slk\fR(3X)
-slk_refresh/\fBcurs_slk\fR(3X)
-slk_restore/\fBcurs_slk\fR(3X)
-slk_set/\fBcurs_slk\fR(3X)
-slk_touch/\fBcurs_slk\fR(3X)
-standend/\fBcurs_attr\fR(3X)
-standout/\fBcurs_attr\fR(3X)
-start_color/\fBcurs_color\fR(3X)
-subpad/\fBcurs_pad\fR(3X)
-subwin/\fBcurs_window\fR(3X)
-syncok/\fBcurs_window\fR(3X)
-term_attrs/\fBcurs_termattrs\fR(3X)
-termattrs/\fBcurs_termattrs\fR(3X)
-termname/\fBcurs_termattrs\fR(3X)
-tgetent/\fBcurs_termcap\fR(3X)
-tgetflag/\fBcurs_termcap\fR(3X)
-tgetnum/\fBcurs_termcap\fR(3X)
-tgetstr/\fBcurs_termcap\fR(3X)
-tgoto/\fBcurs_termcap\fR(3X)
-tigetflag/\fBcurs_terminfo\fR(3X)
-tigetnum/\fBcurs_terminfo\fR(3X)
-tigetstr/\fBcurs_terminfo\fR(3X)
-tiparm/\fBcurs_terminfo\fR(3X)*
-timeout/\fBcurs_inopts\fR(3X)
-touchline/\fBcurs_touch\fR(3X)
-touchwin/\fBcurs_touch\fR(3X)
-tparm/\fBcurs_terminfo\fR(3X)
-tputs/\fBcurs_termcap\fR(3X)
-tputs/\fBcurs_terminfo\fR(3X)
-trace/\fBcurs_trace\fR(3X)*
-typeahead/\fBcurs_inopts\fR(3X)
-unctrl/\fBcurs_util\fR(3X)
-unget_wch/\fBcurs_get_wch\fR(3X)
-ungetch/\fBcurs_getch\fR(3X)
-ungetmouse/\fBcurs_mouse\fR(3X)*
-untouchwin/\fBcurs_touch\fR(3X)
-use_default_colors/\fBdefault_colors\fR(3X)*
-use_env/\fBcurs_util\fR(3X)
-use_extended_names/\fBcurs_extend\fR(3X)*
-use_legacy_coding/\fBlegacy_coding\fR(3X)*
-use_tioctl/\fBcurs_util\fR(3X)
-vid_attr/\fBcurs_terminfo\fR(3X)
-vid_puts/\fBcurs_terminfo\fR(3X)
-vidattr/\fBcurs_terminfo\fR(3X)
-vidputs/\fBcurs_terminfo\fR(3X)
-vline/\fBcurs_border\fR(3X)
-vline_set/\fBcurs_border_set\fR(3X)
-vw_printw/\fBcurs_printw\fR(3X)
-vw_scanw/\fBcurs_scanw\fR(3X)
-vwprintw/\fBcurs_printw\fR(3X)
-vwscanw/\fBcurs_scanw\fR(3X)
-wadd_wch/\fBcurs_add_wch\fR(3X)
-wadd_wchnstr/\fBcurs_add_wchstr\fR(3X)
-wadd_wchstr/\fBcurs_add_wchstr\fR(3X)
-waddch/\fBcurs_addch\fR(3X)
-waddchnstr/\fBcurs_addchstr\fR(3X)
-waddchstr/\fBcurs_addchstr\fR(3X)
-waddnstr/\fBcurs_addstr\fR(3X)
-waddnwstr/\fBcurs_addwstr\fR(3X)
-waddstr/\fBcurs_addstr\fR(3X)
-waddwstr/\fBcurs_addwstr\fR(3X)
-wattr_get/\fBcurs_attr\fR(3X)
-wattr_off/\fBcurs_attr\fR(3X)
-wattr_on/\fBcurs_attr\fR(3X)
-wattr_set/\fBcurs_attr\fR(3X)
-wattroff/\fBcurs_attr\fR(3X)
-wattron/\fBcurs_attr\fR(3X)
-wattrset/\fBcurs_attr\fR(3X)
-wbkgd/\fBcurs_bkgd\fR(3X)
-wbkgdset/\fBcurs_bkgd\fR(3X)
-wbkgrnd/\fBcurs_bkgrnd\fR(3X)
-wbkgrndset/\fBcurs_bkgrnd\fR(3X)
-wborder/\fBcurs_border\fR(3X)
-wborder_set/\fBcurs_border_set\fR(3X)
-wchgat/\fBcurs_attr\fR(3X)
-wclear/\fBcurs_clear\fR(3X)
-wclrtobot/\fBcurs_clear\fR(3X)
-wclrtoeol/\fBcurs_clear\fR(3X)
-wcolor_set/\fBcurs_attr\fR(3X)
-wcursyncup/\fBcurs_window\fR(3X)
-wdelch/\fBcurs_delch\fR(3X)
-wdeleteln/\fBcurs_deleteln\fR(3X)
-wecho_wchar/\fBcurs_add_wch\fR(3X)
-wechochar/\fBcurs_addch\fR(3X)
-wenclose/\fBcurs_mouse\fR(3X)*
-werase/\fBcurs_clear\fR(3X)
-wget_wch/\fBcurs_get_wch\fR(3X)
-wget_wstr/\fBcurs_get_wstr\fR(3X)
-wgetbkgrnd/\fBcurs_bkgrnd\fR(3X)
-wgetch/\fBcurs_getch\fR(3X)
-wgetdelay/\fBcurs_opaque\fR(3X)*
-wgetn_wstr/\fBcurs_get_wstr\fR(3X)
-wgetnstr/\fBcurs_getstr\fR(3X)
-wgetparent/\fBcurs_opaque\fR(3X)*
-wgetscrreg/\fBcurs_opaque\fR(3X)*
-wgetstr/\fBcurs_getstr\fR(3X)
-whline/\fBcurs_border\fR(3X)
-whline_set/\fBcurs_border_set\fR(3X)
-win_wch/\fBcurs_in_wch\fR(3X)
-win_wchnstr/\fBcurs_in_wchstr\fR(3X)
-win_wchstr/\fBcurs_in_wchstr\fR(3X)
-winch/\fBcurs_inch\fR(3X)
-winchnstr/\fBcurs_inchstr\fR(3X)
-winchstr/\fBcurs_inchstr\fR(3X)
-winnstr/\fBcurs_instr\fR(3X)
-winnwstr/\fBcurs_inwstr\fR(3X)
-wins_nwstr/\fBcurs_ins_wstr\fR(3X)
-wins_wch/\fBcurs_ins_wch\fR(3X)
-wins_wstr/\fBcurs_ins_wstr\fR(3X)
-winsch/\fBcurs_insch\fR(3X)
-winsdelln/\fBcurs_deleteln\fR(3X)
-winsertln/\fBcurs_deleteln\fR(3X)
-winsnstr/\fBcurs_insstr\fR(3X)
-winsstr/\fBcurs_insstr\fR(3X)
-winstr/\fBcurs_instr\fR(3X)
-winwstr/\fBcurs_inwstr\fR(3X)
-wmouse_trafo/\fBcurs_mouse\fR(3X)*
-wmove/\fBcurs_move\fR(3X)
-wnoutrefresh/\fBcurs_refresh\fR(3X)
-wprintw/\fBcurs_printw\fR(3X)
-wredrawln/\fBcurs_refresh\fR(3X)
-wrefresh/\fBcurs_refresh\fR(3X)
-wresize/\fBwresize\fR(3X)*
-wscanw/\fBcurs_scanw\fR(3X)
-wscrl/\fBcurs_scroll\fR(3X)
-wsetscrreg/\fBcurs_outopts\fR(3X)
-wstandend/\fBcurs_attr\fR(3X)
-wstandout/\fBcurs_attr\fR(3X)
-wsyncdown/\fBcurs_window\fR(3X)
-wsyncup/\fBcurs_window\fR(3X)
-wtimeout/\fBcurs_inopts\fR(3X)
-wtouchln/\fBcurs_touch\fR(3X)
-wunctrl/\fBcurs_util\fR(3X)
-wvline/\fBcurs_border\fR(3X)
-wvline_set/\fBcurs_border_set\fR(3X)
+COLOR_PAIR/\fBcurs_color\fP(3X)
+PAIR_NUMBER/\fBcurs_attr\fP(3X)
+add_wch/\fBcurs_add_wch\fP(3X)
+add_wchnstr/\fBcurs_add_wchstr\fP(3X)
+add_wchstr/\fBcurs_add_wchstr\fP(3X)
+addch/\fBcurs_addch\fP(3X)
+addchnstr/\fBcurs_addchstr\fP(3X)
+addchstr/\fBcurs_addchstr\fP(3X)
+addnstr/\fBcurs_addstr\fP(3X)
+addnwstr/\fBcurs_addwstr\fP(3X)
+addstr/\fBcurs_addstr\fP(3X)
+addwstr/\fBcurs_addwstr\fP(3X)
+alloc_pair/\fBnew_pair\fP(3X)*
+assume_default_colors/\fBdefault_colors\fP(3X)*
+attr_get/\fBcurs_attr\fP(3X)
+attr_off/\fBcurs_attr\fP(3X)
+attr_on/\fBcurs_attr\fP(3X)
+attr_set/\fBcurs_attr\fP(3X)
+attroff/\fBcurs_attr\fP(3X)
+attron/\fBcurs_attr\fP(3X)
+attrset/\fBcurs_attr\fP(3X)
+baudrate/\fBcurs_termattrs\fP(3X)
+beep/\fBcurs_beep\fP(3X)
+bkgd/\fBcurs_bkgd\fP(3X)
+bkgdset/\fBcurs_bkgd\fP(3X)
+bkgrnd/\fBcurs_bkgrnd\fP(3X)
+bkgrndset/\fBcurs_bkgrnd\fP(3X)
+border/\fBcurs_border\fP(3X)
+border_set/\fBcurs_border_set\fP(3X)
+box/\fBcurs_border\fP(3X)
+box_set/\fBcurs_border_set\fP(3X)
+can_change_color/\fBcurs_color\fP(3X)
+cbreak/\fBcurs_inopts\fP(3X)
+chgat/\fBcurs_attr\fP(3X)
+clear/\fBcurs_clear\fP(3X)
+clearok/\fBcurs_outopts\fP(3X)
+clrtobot/\fBcurs_clear\fP(3X)
+clrtoeol/\fBcurs_clear\fP(3X)
+color_content/\fBcurs_color\fP(3X)
+color_set/\fBcurs_attr\fP(3X)
+copywin/\fBcurs_overlay\fP(3X)
+curs_set/\fBcurs_kernel\fP(3X)
+curses_trace/\fBcurs_trace\fP(3X)*
+curses_version/\fBcurs_extend\fP(3X)*
+def_prog_mode/\fBcurs_kernel\fP(3X)
+def_shell_mode/\fBcurs_kernel\fP(3X)
+define_key/\fBdefine_key\fP(3X)*
+del_curterm/\fBcurs_terminfo\fP(3X)
+delay_output/\fBcurs_util\fP(3X)
+delch/\fBcurs_delch\fP(3X)
+deleteln/\fBcurs_deleteln\fP(3X)
+delscreen/\fBcurs_initscr\fP(3X)
+delwin/\fBcurs_window\fP(3X)
+derwin/\fBcurs_window\fP(3X)
+doupdate/\fBcurs_refresh\fP(3X)
+dupwin/\fBcurs_window\fP(3X)
+echo/\fBcurs_inopts\fP(3X)
+echo_wchar/\fBcurs_add_wch\fP(3X)
+echochar/\fBcurs_addch\fP(3X)
+endwin/\fBcurs_initscr\fP(3X)
+erase/\fBcurs_clear\fP(3X)
+erasechar/\fBcurs_termattrs\fP(3X)
+erasewchar/\fBcurs_termattrs\fP(3X)
+exit_curses/\fBcurs_memleaks\fP(3X)*
+exit_terminfo/\fBcurs_memleaks\fP(3X)*
+extended_color_content/\fBcurs_color\fP(3X)*
+extended_pair_content/\fBcurs_color\fP(3X)*
+extended_slk_color/\fBcurs_slk\fP(3X)*
+filter/\fBcurs_util\fP(3X)
+find_pair/\fBnew_pair\fP(3X)*
+flash/\fBcurs_beep\fP(3X)
+flushinp/\fBcurs_util\fP(3X)
+free_pair/\fBnew_pair\fP(3X)*
+get_wch/\fBcurs_get_wch\fP(3X)
+get_wstr/\fBcurs_get_wstr\fP(3X)
+getattrs/\fBcurs_attr\fP(3X)
+getbegx/\fBcurs_legacy\fP(3X)*
+getbegy/\fBcurs_legacy\fP(3X)*
+getbegyx/\fBcurs_getyx\fP(3X)
+getbkgd/\fBcurs_bkgd\fP(3X)
+getbkgrnd/\fBcurs_bkgrnd\fP(3X)
+getcchar/\fBcurs_getcchar\fP(3X)
+getch/\fBcurs_getch\fP(3X)
+getcurx/\fBcurs_legacy\fP(3X)*
+getcury/\fBcurs_legacy\fP(3X)*
+getmaxx/\fBcurs_legacy\fP(3X)*
+getmaxy/\fBcurs_legacy\fP(3X)*
+getmaxyx/\fBcurs_getyx\fP(3X)
+getmouse/\fBcurs_mouse\fP(3X)*
+getn_wstr/\fBcurs_get_wstr\fP(3X)
+getnstr/\fBcurs_getstr\fP(3X)
+getparx/\fBcurs_legacy\fP(3X)*
+getpary/\fBcurs_legacy\fP(3X)*
+getparyx/\fBcurs_getyx\fP(3X)
+getstr/\fBcurs_getstr\fP(3X)
+getsyx/\fBcurs_kernel\fP(3X)
+getwin/\fBcurs_util\fP(3X)
+getyx/\fBcurs_getyx\fP(3X)
+halfdelay/\fBcurs_inopts\fP(3X)
+has_colors/\fBcurs_color\fP(3X)
+has_ic/\fBcurs_termattrs\fP(3X)
+has_il/\fBcurs_termattrs\fP(3X)
+has_key/\fBcurs_getch\fP(3X)*
+has_mouse/\fBcurs_mouse\fP(3X)*
+hline/\fBcurs_border\fP(3X)
+hline_set/\fBcurs_border_set\fP(3X)
+idcok/\fBcurs_outopts\fP(3X)
+idlok/\fBcurs_outopts\fP(3X)
+immedok/\fBcurs_outopts\fP(3X)
+in_wch/\fBcurs_in_wch\fP(3X)
+in_wchnstr/\fBcurs_in_wchstr\fP(3X)
+in_wchstr/\fBcurs_in_wchstr\fP(3X)
+inch/\fBcurs_inch\fP(3X)
+inchnstr/\fBcurs_inchstr\fP(3X)
+inchstr/\fBcurs_inchstr\fP(3X)
+init_color/\fBcurs_color\fP(3X)
+init_extended_color/\fBcurs_color\fP(3X)*
+init_extended_pair/\fBcurs_color\fP(3X)*
+init_pair/\fBcurs_color\fP(3X)
+initscr/\fBcurs_initscr\fP(3X)
+innstr/\fBcurs_instr\fP(3X)
+innwstr/\fBcurs_inwstr\fP(3X)
+ins_nwstr/\fBcurs_ins_wstr\fP(3X)
+ins_wch/\fBcurs_ins_wch\fP(3X)
+ins_wstr/\fBcurs_ins_wstr\fP(3X)
+insch/\fBcurs_insch\fP(3X)
+insdelln/\fBcurs_deleteln\fP(3X)
+insertln/\fBcurs_deleteln\fP(3X)
+insnstr/\fBcurs_insstr\fP(3X)
+insstr/\fBcurs_insstr\fP(3X)
+instr/\fBcurs_instr\fP(3X)
+intrflush/\fBcurs_inopts\fP(3X)
+inwstr/\fBcurs_inwstr\fP(3X)
+is_cleared/\fBcurs_opaque\fP(3X)*
+is_idcok/\fBcurs_opaque\fP(3X)*
+is_idlok/\fBcurs_opaque\fP(3X)*
+is_immedok/\fBcurs_opaque\fP(3X)*
+is_keypad/\fBcurs_opaque\fP(3X)*
+is_leaveok/\fBcurs_opaque\fP(3X)*
+is_linetouched/\fBcurs_touch\fP(3X)
+is_nodelay/\fBcurs_opaque\fP(3X)*
+is_notimeout/\fBcurs_opaque\fP(3X)*
+is_pad/\fBcurs_opaque\fP(3X)*
+is_scrollok/\fBcurs_opaque\fP(3X)*
+is_subwin/\fBcurs_opaque\fP(3X)*
+is_syncok/\fBcurs_opaque\fP(3X)*
+is_term_resized/\fBresizeterm\fP(3X)*
+is_wintouched/\fBcurs_touch\fP(3X)
+isendwin/\fBcurs_initscr\fP(3X)
+key_defined/\fBkey_defined\fP(3X)*
+key_name/\fBcurs_util\fP(3X)
+keybound/\fBkeybound\fP(3X)*
+keyname/\fBcurs_util\fP(3X)
+keyok/\fBkeyok\fP(3X)*
+keypad/\fBcurs_inopts\fP(3X)
+killchar/\fBcurs_termattrs\fP(3X)
+killwchar/\fBcurs_termattrs\fP(3X)
+leaveok/\fBcurs_outopts\fP(3X)
+longname/\fBcurs_termattrs\fP(3X)
+mcprint/\fBcurs_print\fP(3X)*
+meta/\fBcurs_inopts\fP(3X)
+mouse_trafo/\fBcurs_mouse\fP(3X)*
+mouseinterval/\fBcurs_mouse\fP(3X)*
+mousemask/\fBcurs_mouse\fP(3X)*
+move/\fBcurs_move\fP(3X)
+mvadd_wch/\fBcurs_add_wch\fP(3X)
+mvadd_wchnstr/\fBcurs_add_wchstr\fP(3X)
+mvadd_wchstr/\fBcurs_add_wchstr\fP(3X)
+mvaddch/\fBcurs_addch\fP(3X)
+mvaddchnstr/\fBcurs_addchstr\fP(3X)
+mvaddchstr/\fBcurs_addchstr\fP(3X)
+mvaddnstr/\fBcurs_addstr\fP(3X)
+mvaddnwstr/\fBcurs_addwstr\fP(3X)
+mvaddstr/\fBcurs_addstr\fP(3X)
+mvaddwstr/\fBcurs_addwstr\fP(3X)
+mvchgat/\fBcurs_attr\fP(3X)
+mvcur/\fBcurs_terminfo\fP(3X)
+mvdelch/\fBcurs_delch\fP(3X)
+mvderwin/\fBcurs_window\fP(3X)
+mvget_wch/\fBcurs_get_wch\fP(3X)
+mvget_wstr/\fBcurs_get_wstr\fP(3X)
+mvgetch/\fBcurs_getch\fP(3X)
+mvgetn_wstr/\fBcurs_get_wstr\fP(3X)
+mvgetnstr/\fBcurs_getstr\fP(3X)
+mvgetstr/\fBcurs_getstr\fP(3X)
+mvhline/\fBcurs_border\fP(3X)
+mvhline_set/\fBcurs_border_set\fP(3X)
+mvin_wch/\fBcurs_in_wch\fP(3X)
+mvin_wchnstr/\fBcurs_in_wchstr\fP(3X)
+mvin_wchstr/\fBcurs_in_wchstr\fP(3X)
+mvinch/\fBcurs_inch\fP(3X)
+mvinchnstr/\fBcurs_inchstr\fP(3X)
+mvinchstr/\fBcurs_inchstr\fP(3X)
+mvinnstr/\fBcurs_instr\fP(3X)
+mvinnwstr/\fBcurs_inwstr\fP(3X)
+mvins_nwstr/\fBcurs_ins_wstr\fP(3X)
+mvins_wch/\fBcurs_ins_wch\fP(3X)
+mvins_wstr/\fBcurs_ins_wstr\fP(3X)
+mvinsch/\fBcurs_insch\fP(3X)
+mvinsnstr/\fBcurs_insstr\fP(3X)
+mvinsstr/\fBcurs_insstr\fP(3X)
+mvinstr/\fBcurs_instr\fP(3X)
+mvinwstr/\fBcurs_inwstr\fP(3X)
+mvprintw/\fBcurs_printw\fP(3X)
+mvscanw/\fBcurs_scanw\fP(3X)
+mvvline/\fBcurs_border\fP(3X)
+mvvline_set/\fBcurs_border_set\fP(3X)
+mvwadd_wch/\fBcurs_add_wch\fP(3X)
+mvwadd_wchnstr/\fBcurs_add_wchstr\fP(3X)
+mvwadd_wchstr/\fBcurs_add_wchstr\fP(3X)
+mvwaddch/\fBcurs_addch\fP(3X)
+mvwaddchnstr/\fBcurs_addchstr\fP(3X)
+mvwaddchstr/\fBcurs_addchstr\fP(3X)
+mvwaddnstr/\fBcurs_addstr\fP(3X)
+mvwaddnwstr/\fBcurs_addwstr\fP(3X)
+mvwaddstr/\fBcurs_addstr\fP(3X)
+mvwaddwstr/\fBcurs_addwstr\fP(3X)
+mvwchgat/\fBcurs_attr\fP(3X)
+mvwdelch/\fBcurs_delch\fP(3X)
+mvwget_wch/\fBcurs_get_wch\fP(3X)
+mvwget_wstr/\fBcurs_get_wstr\fP(3X)
+mvwgetch/\fBcurs_getch\fP(3X)
+mvwgetn_wstr/\fBcurs_get_wstr\fP(3X)
+mvwgetnstr/\fBcurs_getstr\fP(3X)
+mvwgetstr/\fBcurs_getstr\fP(3X)
+mvwhline/\fBcurs_border\fP(3X)
+mvwhline_set/\fBcurs_border_set\fP(3X)
+mvwin/\fBcurs_window\fP(3X)
+mvwin_wch/\fBcurs_in_wch\fP(3X)
+mvwin_wchnstr/\fBcurs_in_wchstr\fP(3X)
+mvwin_wchstr/\fBcurs_in_wchstr\fP(3X)
+mvwinch/\fBcurs_inch\fP(3X)
+mvwinchnstr/\fBcurs_inchstr\fP(3X)
+mvwinchstr/\fBcurs_inchstr\fP(3X)
+mvwinnstr/\fBcurs_instr\fP(3X)
+mvwinnwstr/\fBcurs_inwstr\fP(3X)
+mvwins_nwstr/\fBcurs_ins_wstr\fP(3X)
+mvwins_wch/\fBcurs_ins_wch\fP(3X)
+mvwins_wstr/\fBcurs_ins_wstr\fP(3X)
+mvwinsch/\fBcurs_insch\fP(3X)
+mvwinsnstr/\fBcurs_insstr\fP(3X)
+mvwinsstr/\fBcurs_insstr\fP(3X)
+mvwinstr/\fBcurs_instr\fP(3X)
+mvwinwstr/\fBcurs_inwstr\fP(3X)
+mvwprintw/\fBcurs_printw\fP(3X)
+mvwscanw/\fBcurs_scanw\fP(3X)
+mvwvline/\fBcurs_border\fP(3X)
+mvwvline_set/\fBcurs_border_set\fP(3X)
+napms/\fBcurs_kernel\fP(3X)
+newpad/\fBcurs_pad\fP(3X)
+newterm/\fBcurs_initscr\fP(3X)
+newwin/\fBcurs_window\fP(3X)
+nl/\fBcurs_inopts\fP(3X)
+nocbreak/\fBcurs_inopts\fP(3X)
+nodelay/\fBcurs_inopts\fP(3X)
+noecho/\fBcurs_inopts\fP(3X)
+nofilter/\fBcurs_util\fP(3X)*
+nonl/\fBcurs_inopts\fP(3X)
+noqiflush/\fBcurs_inopts\fP(3X)
+noraw/\fBcurs_inopts\fP(3X)
+notimeout/\fBcurs_inopts\fP(3X)
+overlay/\fBcurs_overlay\fP(3X)
+overwrite/\fBcurs_overlay\fP(3X)
+pair_content/\fBcurs_color\fP(3X)
+pecho_wchar/\fBcurs_pad\fP(3X)*
+pechochar/\fBcurs_pad\fP(3X)
+pnoutrefresh/\fBcurs_pad\fP(3X)
+prefresh/\fBcurs_pad\fP(3X)
+printw/\fBcurs_printw\fP(3X)
+putp/\fBcurs_terminfo\fP(3X)
+putwin/\fBcurs_util\fP(3X)
+qiflush/\fBcurs_inopts\fP(3X)
+raw/\fBcurs_inopts\fP(3X)
+redrawwin/\fBcurs_refresh\fP(3X)
+refresh/\fBcurs_refresh\fP(3X)
+reset_color_pairs/\fBcurs_color\fP(3X)*
+reset_prog_mode/\fBcurs_kernel\fP(3X)
+reset_shell_mode/\fBcurs_kernel\fP(3X)
+resetty/\fBcurs_kernel\fP(3X)
+resize_term/\fBresizeterm\fP(3X)*
+resizeterm/\fBresizeterm\fP(3X)*
+restartterm/\fBcurs_terminfo\fP(3X)
+ripoffline/\fBcurs_kernel\fP(3X)
+savetty/\fBcurs_kernel\fP(3X)
+scanw/\fBcurs_scanw\fP(3X)
+scr_dump/\fBcurs_scr_dump\fP(3X)
+scr_init/\fBcurs_scr_dump\fP(3X)
+scr_restore/\fBcurs_scr_dump\fP(3X)
+scr_set/\fBcurs_scr_dump\fP(3X)
+scrl/\fBcurs_scroll\fP(3X)
+scroll/\fBcurs_scroll\fP(3X)
+scrollok/\fBcurs_outopts\fP(3X)
+set_curterm/\fBcurs_terminfo\fP(3X)
+set_term/\fBcurs_initscr\fP(3X)
+setcchar/\fBcurs_getcchar\fP(3X)
+setscrreg/\fBcurs_outopts\fP(3X)
+setsyx/\fBcurs_kernel\fP(3X)
+setupterm/\fBcurs_terminfo\fP(3X)
+slk_attr/\fBcurs_slk\fP(3X)*
+slk_attr_off/\fBcurs_slk\fP(3X)
+slk_attr_on/\fBcurs_slk\fP(3X)
+slk_attr_set/\fBcurs_slk\fP(3X)
+slk_attroff/\fBcurs_slk\fP(3X)
+slk_attron/\fBcurs_slk\fP(3X)
+slk_attrset/\fBcurs_slk\fP(3X)
+slk_clear/\fBcurs_slk\fP(3X)
+slk_color/\fBcurs_slk\fP(3X)
+slk_init/\fBcurs_slk\fP(3X)
+slk_label/\fBcurs_slk\fP(3X)
+slk_noutrefresh/\fBcurs_slk\fP(3X)
+slk_refresh/\fBcurs_slk\fP(3X)
+slk_restore/\fBcurs_slk\fP(3X)
+slk_set/\fBcurs_slk\fP(3X)
+slk_touch/\fBcurs_slk\fP(3X)
+slk_wset/\fBcurs_slk\fP(3X)*
+standend/\fBcurs_attr\fP(3X)
+standout/\fBcurs_attr\fP(3X)
+start_color/\fBcurs_color\fP(3X)
+subpad/\fBcurs_pad\fP(3X)
+subwin/\fBcurs_window\fP(3X)
+syncok/\fBcurs_window\fP(3X)
+term_attrs/\fBcurs_termattrs\fP(3X)
+termattrs/\fBcurs_termattrs\fP(3X)
+termname/\fBcurs_termattrs\fP(3X)
+tgetent/\fBcurs_termcap\fP(3X)
+tgetflag/\fBcurs_termcap\fP(3X)
+tgetnum/\fBcurs_termcap\fP(3X)
+tgetstr/\fBcurs_termcap\fP(3X)
+tgoto/\fBcurs_termcap\fP(3X)
+tigetflag/\fBcurs_terminfo\fP(3X)
+tigetnum/\fBcurs_terminfo\fP(3X)
+tigetstr/\fBcurs_terminfo\fP(3X)
+timeout/\fBcurs_inopts\fP(3X)
+tiparm/\fBcurs_terminfo\fP(3X)*
+touchline/\fBcurs_touch\fP(3X)
+touchwin/\fBcurs_touch\fP(3X)
+tparm/\fBcurs_terminfo\fP(3X)
+tputs/\fBcurs_termcap\fP(3X)
+tputs/\fBcurs_terminfo\fP(3X)
+trace/\fBcurs_trace\fP(3X)*
+typeahead/\fBcurs_inopts\fP(3X)
+unctrl/\fBcurs_util\fP(3X)
+unget_wch/\fBcurs_get_wch\fP(3X)
+ungetch/\fBcurs_getch\fP(3X)
+ungetmouse/\fBcurs_mouse\fP(3X)*
+untouchwin/\fBcurs_touch\fP(3X)
+use_default_colors/\fBdefault_colors\fP(3X)*
+use_env/\fBcurs_util\fP(3X)
+use_extended_names/\fBcurs_extend\fP(3X)*
+use_legacy_coding/\fBlegacy_coding\fP(3X)*
+use_tioctl/\fBcurs_util\fP(3X)*
+vid_attr/\fBcurs_terminfo\fP(3X)
+vid_puts/\fBcurs_terminfo\fP(3X)
+vidattr/\fBcurs_terminfo\fP(3X)
+vidputs/\fBcurs_terminfo\fP(3X)
+vline/\fBcurs_border\fP(3X)
+vline_set/\fBcurs_border_set\fP(3X)
+vw_printw/\fBcurs_printw\fP(3X)
+vw_scanw/\fBcurs_scanw\fP(3X)
+vwprintw/\fBcurs_printw\fP(3X)
+vwscanw/\fBcurs_scanw\fP(3X)
+wadd_wch/\fBcurs_add_wch\fP(3X)
+wadd_wchnstr/\fBcurs_add_wchstr\fP(3X)
+wadd_wchstr/\fBcurs_add_wchstr\fP(3X)
+waddch/\fBcurs_addch\fP(3X)
+waddchnstr/\fBcurs_addchstr\fP(3X)
+waddchstr/\fBcurs_addchstr\fP(3X)
+waddnstr/\fBcurs_addstr\fP(3X)
+waddnwstr/\fBcurs_addwstr\fP(3X)
+waddstr/\fBcurs_addstr\fP(3X)
+waddwstr/\fBcurs_addwstr\fP(3X)
+wattr_get/\fBcurs_attr\fP(3X)
+wattr_off/\fBcurs_attr\fP(3X)
+wattr_on/\fBcurs_attr\fP(3X)
+wattr_set/\fBcurs_attr\fP(3X)
+wattroff/\fBcurs_attr\fP(3X)
+wattron/\fBcurs_attr\fP(3X)
+wattrset/\fBcurs_attr\fP(3X)
+wbkgd/\fBcurs_bkgd\fP(3X)
+wbkgdset/\fBcurs_bkgd\fP(3X)
+wbkgrnd/\fBcurs_bkgrnd\fP(3X)
+wbkgrndset/\fBcurs_bkgrnd\fP(3X)
+wborder/\fBcurs_border\fP(3X)
+wborder_set/\fBcurs_border_set\fP(3X)
+wchgat/\fBcurs_attr\fP(3X)
+wclear/\fBcurs_clear\fP(3X)
+wclrtobot/\fBcurs_clear\fP(3X)
+wclrtoeol/\fBcurs_clear\fP(3X)
+wcolor_set/\fBcurs_attr\fP(3X)
+wcursyncup/\fBcurs_window\fP(3X)
+wdelch/\fBcurs_delch\fP(3X)
+wdeleteln/\fBcurs_deleteln\fP(3X)
+wecho_wchar/\fBcurs_add_wch\fP(3X)
+wechochar/\fBcurs_addch\fP(3X)
+wenclose/\fBcurs_mouse\fP(3X)*
+werase/\fBcurs_clear\fP(3X)
+wget_wch/\fBcurs_get_wch\fP(3X)
+wget_wstr/\fBcurs_get_wstr\fP(3X)
+wgetbkgrnd/\fBcurs_bkgrnd\fP(3X)
+wgetch/\fBcurs_getch\fP(3X)
+wgetdelay/\fBcurs_opaque\fP(3X)*
+wgetn_wstr/\fBcurs_get_wstr\fP(3X)
+wgetnstr/\fBcurs_getstr\fP(3X)
+wgetparent/\fBcurs_opaque\fP(3X)*
+wgetscrreg/\fBcurs_opaque\fP(3X)*
+wgetstr/\fBcurs_getstr\fP(3X)
+whline/\fBcurs_border\fP(3X)
+whline_set/\fBcurs_border_set\fP(3X)
+win_wch/\fBcurs_in_wch\fP(3X)
+win_wchnstr/\fBcurs_in_wchstr\fP(3X)
+win_wchstr/\fBcurs_in_wchstr\fP(3X)
+winch/\fBcurs_inch\fP(3X)
+winchnstr/\fBcurs_inchstr\fP(3X)
+winchstr/\fBcurs_inchstr\fP(3X)
+winnstr/\fBcurs_instr\fP(3X)
+winnwstr/\fBcurs_inwstr\fP(3X)
+wins_nwstr/\fBcurs_ins_wstr\fP(3X)
+wins_wch/\fBcurs_ins_wch\fP(3X)
+wins_wstr/\fBcurs_ins_wstr\fP(3X)
+winsch/\fBcurs_insch\fP(3X)
+winsdelln/\fBcurs_deleteln\fP(3X)
+winsertln/\fBcurs_deleteln\fP(3X)
+winsnstr/\fBcurs_insstr\fP(3X)
+winsstr/\fBcurs_insstr\fP(3X)
+winstr/\fBcurs_instr\fP(3X)
+winwstr/\fBcurs_inwstr\fP(3X)
+wmouse_trafo/\fBcurs_mouse\fP(3X)*
+wmove/\fBcurs_move\fP(3X)
+wnoutrefresh/\fBcurs_refresh\fP(3X)
+wprintw/\fBcurs_printw\fP(3X)
+wredrawln/\fBcurs_refresh\fP(3X)
+wrefresh/\fBcurs_refresh\fP(3X)
+wresize/\fBwresize\fP(3X)*
+wscanw/\fBcurs_scanw\fP(3X)
+wscrl/\fBcurs_scroll\fP(3X)
+wsetscrreg/\fBcurs_outopts\fP(3X)
+wstandend/\fBcurs_attr\fP(3X)
+wstandout/\fBcurs_attr\fP(3X)
+wsyncdown/\fBcurs_window\fP(3X)
+wsyncup/\fBcurs_window\fP(3X)
+wtimeout/\fBcurs_inopts\fP(3X)
+wtouchln/\fBcurs_touch\fP(3X)
+wunctrl/\fBcurs_util\fP(3X)
+wvline/\fBcurs_border\fP(3X)
+wvline_set/\fBcurs_border_set\fP(3X)
.TE
+.PP
+Depending on the configuration,
+additional sets of functions may be available:
+.RS 3
+.TP 5
+\fBcurs_memleaks\fP(3X) - curses memory-leak checking
+.TP 5
+\fBcurs_sp_funcs\fP(3X) - curses screen-pointer extension
+.TP 5
+\fBcurs_threads\fP(3X) - curses thread support
+.TP 5
+\fBcurs_trace\fP(3X) - curses debugging routines
+.RE
.SH RETURN VALUE
-Routines that return an integer return \fBERR\fR upon failure and an
-integer value other than \fBERR\fR upon successful completion, unless
+Routines that return an integer return \fBERR\fP upon failure and an
+integer value other than \fBERR\fP upon successful completion, unless
otherwise noted in the routine descriptions.
.PP
As a general rule, routines check for null pointers passed as parameters,
and handle this as an error.
.PP
-All macros return the value of the \fBw\fR version, except \fBsetscrreg\fR,
-\fBwsetscrreg\fR, \fBgetyx\fR, \fBgetbegyx\fR, and \fBgetmaxyx\fR.
+All macros return the value of the \fBw\fP version, except \fBsetscrreg\fP,
+\fBwsetscrreg\fP, \fBgetyx\fP, \fBgetbegyx\fP, and \fBgetmaxyx\fP.
The return values of
-\fBsetscrreg\fR,
-\fBwsetscrreg\fR,
-\fBgetyx\fR,
-\fBgetbegyx\fR, and
-\fBgetmaxyx\fR are undefined (i.e., these should not be used as the
+\fBsetscrreg\fP,
+\fBwsetscrreg\fP,
+\fBgetyx\fP,
+\fBgetbegyx\fP, and
+\fBgetmaxyx\fP are undefined (i.e., these should not be used as the
right-hand side of assignment statements).
.PP
-Routines that return pointers return \fBNULL\fR on error.
+Functions with a \*(``mv\*('' prefix first perform a cursor movement using
+\fBwmove\fP, and return an error if the position is outside the window,
+or if the window pointer is null.
+Most \*(``mv\*(''-prefixed functions
+(except variadic functions such as \fBmvprintw\fP)
+are provided both as macros and functions.
+.PP
+Routines that return pointers return \fBNULL\fP on error.
.SH ENVIRONMENT
+.PP
The following environment symbols are useful for customizing the
-runtime behavior of the \fBncurses\fR library.
+runtime behavior of the \fBncurses\fP library.
The most important ones have been already discussed in detail.
-.SS CC
+.SS CC command-character
+.PP
When set, change occurrences of the command_character
(i.e., the \fBcmdch\fP capability)
of the loaded terminfo entries to the value of this variable.
Very few terminfo entries provide this feature.
.PP
Because this name is also used in development environments to represent
-the C compiler's name, \fBncurses\fR ignores it if it does not happen to
+the C compiler's name, \fBncurses\fP ignores it if it does not happen to
be a single character.
.SS BAUDRATE
+.PP
The debugging library checks this environment variable when the application
has redirected output to a file.
The variable's numeric value is used for the baudrate.
-If no value is found, \fBncurses\fR uses 9600.
+If no value is found, \fBncurses\fP uses 9600.
This allows testers to construct repeatable test-cases
that take into account costs that depend on baudrate.
.SS COLUMNS
+.PP
Specify the width of the screen in characters.
Applications running in a windowing environment usually are able to
obtain the width of the window in which they are executing.
If neither the \fBCOLUMNS\fP value nor the terminal's screen size is available,
-\fBncurses\fR uses the size which may be specified in the terminfo database
-(i.e., the \fBcols\fR capability).
+\fBncurses\fP uses the size which may be specified in the terminfo database
+(i.e., the \fBcols\fP capability).
.PP
It is important that your application use a correct size for the screen.
This is not always possible because your application may be
Either \fBCOLUMNS\fP or \fBLINES\fP symbols may be specified independently.
This is mainly useful to circumvent legacy misfeatures of terminal descriptions,
e.g., xterm which commonly specifies a 65 line screen.
-For best results, \fBlines\fR and \fBcols\fR should not be specified in
+For best results, \fBlines\fP and \fBcols\fP should not be specified in
a terminal description for terminals which are run as emulations.
.PP
-Use the \fBuse_env\fR function to disable all use of external environment
+Use the \fBuse_env\fP function to disable all use of external environment
(but not including system calls) to determine the screen size.
-Use the \fBuse_tioctl\fR function to update \fBCOLUMNS\fP or \fBLINES\fP
+Use the \fBuse_tioctl\fP function to update \fBCOLUMNS\fP or \fBLINES\fP
to match the screen size obtained from system calls or the terminal database.
.SS ESCDELAY
+.PP
Specifies the total time, in milliseconds, for which ncurses will
await a character sequence, e.g., a function key.
The default value, 1000 milliseconds, is enough for most uses.
but setting the environment variable rather than the global variable
does not create problems when compiling an application.
.SS HOME
-Tells \fBncurses\fR where your home directory is.
+Tells \fBncurses\fP where your home directory is.
That is where it may read and write auxiliary terminal descriptions:
-.PP
+.NS
$HOME/.termcap
-.br
$HOME/.terminfo
+.NE
.SS LINES
+.PP
Like COLUMNS, specify the height of the screen in characters.
See COLUMNS for a detailed description.
.SS MOUSE_BUTTONS_123
+.PP
This applies only to the OS/2 EMX port.
It specifies the order of buttons on the mouse.
OS/2 numbers a 3-button mouse inconsistently from other
platforms:
-.sp
+.NS
1 = left
.br
2 = right
.br
3 = middle.
-.sp
+.NE
+.PP
This variable lets you customize the mouse.
The variable must be three numeric digits 1\-3 in any order, e.g., 123 or 321.
-If it is not specified, \fBncurses\fR uses 132.
+If it is not specified, \fBncurses\fP uses 132.
.SS NCURSES_ASSUMED_COLORS
+.PP
Override the compiled-in assumption that the
terminal's default colors are white-on-black
-(see \fBdefault_colors\fR(3X)).
+(see \fBdefault_colors\fP(3X)).
You may set the foreground and background color values with this environment
variable by proving a 2-element list: foreground,background.
For example, to tell ncurses to not assume anything
about the colors, set this to "\-1,\-1".
To make it green-on-black, set it to "2,0".
-Any positive value from zero to the terminfo \fBmax_colors\fR value is allowed.
+Any positive value from zero to the terminfo \fBmax_colors\fP value is allowed.
.SS NCURSES_CONSOLE2
This applies only to the MinGW port of ncurses.
.PP
explicitly saving and restoring the original screen contents.
Setting the environment variable \fBNCGDB\fP has the same effect.
.SS NCURSES_GPM_TERMS
+.PP
This applies only to ncurses configured to use the GPM interface.
.PP
If present,
using the built-in support for xterm, etc.
.PP
If the environment variable is absent,
-ncurses will attempt to open GPM if \fBTERM\fP contains "linux".
+ncurses will attempt to open GPM if \fBTERM\fP contains \*(``linux\*(''.
.SS NCURSES_NO_HARD_TABS
+.PP
\fBNcurses\fP may use tabs as part of the cursor movement optimization.
In some cases,
your terminal driver may not handle these properly.
Set this environment variable to disable the feature.
-You can also adjust your \fBstty\fP settings to avoid the problem.
-NCURSES_NO_MAGIC_COOKIE
+You can also adjust your \fBstty\fP(1) settings to avoid the problem.
+.SS NCURSES_NO_MAGIC_COOKIE
+.PP
Some terminals use a magic-cookie feature which requires special handling
to make highlighting and other video attributes display properly.
You can suppress the highlighting entirely for these terminals by
setting this environment variable.
.SS NCURSES_NO_PADDING
+.PP
Most of the terminal descriptions in the terminfo database are written
-for real "hardware" terminals.
+for real \*(``hardware\*('' terminals.
Many people use terminal emulators
which run in a windowing environment and use curses-based applications.
Terminal emulators can duplicate
Set the NCURSES_NO_PADDING environment variable to disable all but mandatory
padding.
Mandatory padding is used as a part of special control
-sequences such as \fIflash\fR.
+sequences such as \fBflash\fP.
.SS NCURSES_NO_SETBUF
This setting is obsolete.
Before changes
though 5.9 patch 20130126
.RE
.PP
-\fBncurses\fR enabled buffered output during terminal initialization.
+\fBncurses\fP enabled buffered output during terminal initialization.
This was done (as in SVr4 curses) for performance reasons.
-For testing purposes, both of \fBncurses\fR and certain applications,
+For testing purposes, both of \fBncurses\fP and certain applications,
this feature was made optional.
Setting the NCURSES_NO_SETBUF variable
disabled output buffering, leaving the output in the original (usually
standard output.
But high-level curses calls do not.
.SS NCURSES_NO_UTF8_ACS
-During initialization, the \fBncurses\fR library
+.PP
+During initialization, the \fBncurses\fP library
checks for special cases where VT100 line-drawing (and the corresponding
alternate character set capabilities) described in the terminfo are known
to be missing.
.PP
When setting this variable, you should set it to a nonzero value.
Setting it to zero (or to a nonnumber)
-disables the special check for "linux" and "screen".
+disables the special check for \*(``linux\*('' and \*(``screen\*(''.
.PP
As an alternative to the environment variable,
ncurses checks for an extended terminfo capability \fBU8\fP.
.ft
.RE
.PP
-The name "U8" is chosen to be two characters,
+The name \*(``U8\*('' is chosen to be two characters,
to permit it to be used by applications that use ncurses'
termcap interface.
.SS NCURSES_TRACE
-During initialization, the \fBncurses\fR debugging library
+.PP
+During initialization, the \fBncurses\fP debugging library
checks the NCURSES_TRACE environment variable.
-If it is defined, to a numeric value, \fBncurses\fR calls the \fBtrace\fR
+If it is defined, to a numeric value, \fBncurses\fP calls the \fBtrace\fP
function, using that value as the argument.
.PP
-The argument values, which are defined in \fBcurses.h\fR, provide several
+The argument values, which are defined in \fBcurses.h\fP, provide several
types of information.
When running with traces enabled, your application will write the
-file \fBtrace\fR to the current directory.
+file \fBtrace\fP to the current directory.
.PP
See \fBcurs_trace\fP(3X) for more information.
.SS TERM
+.PP
Denotes your terminal type.
Each terminal type is distinct, though many are similar.
.PP
If you set \fBTERM\fP in your environment,
it has no effect on the operation of the terminal emulator.
It only affects the way applications work within the terminal.
-Likewise, as a general rule (\fBxterm\fP being a rare exception),
+Likewise, as a general rule (\fBxterm\fP(1) being a rare exception),
terminal emulators which allow you to
specify \fBTERM\fP as a parameter or configuration value do
not change their behavior to match that setting.
.SS TERMCAP
-If the \fBncurses\fR library has been configured with \fItermcap\fR
-support, \fBncurses\fR will check for a terminal's description in
+If the \fBncurses\fP library has been configured with \fItermcap\fP
+support, \fBncurses\fP will check for a terminal's description in
termcap form if it is not available in the terminfo database.
.PP
-The \fBTERMCAP\fP environment variable contains either a terminal description (with
-newlines stripped out),
+The \fBTERMCAP\fP environment variable contains
+either a terminal description (with newlines stripped out),
or a file name telling where the information denoted by
the \fBTERM\fP environment variable exists.
-In either case, setting it directs \fBncurses\fR to ignore
+In either case, setting it directs \fBncurses\fP to ignore
the usual place for this information, e.g., /etc/termcap.
.SS TERMINFO
+.PP
\fBncurses\fP can be configured to read from multiple terminal databases.
-The \fBTERMINFO\fP variable overrides the location for the default terminal database.
+The \fBTERMINFO\fP variable overrides the location for
+the default terminal database.
Terminal descriptions (in terminal format) are stored in terminal databases:
.bP
Normally these are stored in a directory tree,
The complete list of database locations in order follows:
.RS 3
.bP
-the last terminal database to which \fBncurses\fR wrote,
+the last terminal database to which \fBncurses\fP wrote,
if any, is searched first
.bP
the location specified by the TERMINFO environment variable
.RE
.PP
.SS TERMINFO_DIRS
+.PP
Specifies a list of locations to search for terminal descriptions.
Each location in the list is a terminal database as described in
the section on the \fBTERMINFO\fP variable.
There is no corresponding feature in System V terminfo;
it is an extension developed for \fBncurses\fP.
.SS TERMPATH
-If \fBTERMCAP\fP does not hold a file name then \fBncurses\fR checks
+.PP
+If \fBTERMCAP\fP does not hold a file name then \fBncurses\fP checks
the \fBTERMPATH\fP environment variable.
This is a list of filenames separated by spaces or colons (i.e., ":") on Unix,
semicolons on OS/2 EMX.
.PP
If the \fBTERMPATH\fP environment variable is not set,
-\fBncurses\fR looks in the files
+\fBncurses\fP looks in the files
.NS
/etc/termcap, /usr/share/misc/termcap and $HOME/.termcap,
.NE
$TERMINFO, $TERMINFO_DIRS, $TERMPATH, as well as $HOME.
.NE
.SH ALTERNATE CONFIGURATIONS
+.PP
Several different configurations are possible,
depending on the configure script options used when building \fBncurses\fP.
There are a few main options whose effects are visible to the applications
.TP 5
\-\-disable\-overwrite
The standard include for \fBncurses\fP is as noted in \fBSYNOPSIS\fP:
-.RS 3
-.sp
-\fB#include <curses.h>\fR
-.RE
+.NS
+\fB#include <curses.h>\fP
+.NE
.IP
This option is used to avoid filename conflicts when \fBncurses\fP
is not the main implementation of curses of the computer.
If \fBncurses\fP is installed disabling overwrite, it puts its headers in
a subdirectory, e.g.,
-.RS 3
-.sp
-\fB#include <ncurses/curses.h>\fR
-.RE
+.NS
+\fB#include <ncurses/curses.h>\fP
+.NE
.IP
It also omits a symbolic link which would allow you to use \fB\-lcurses\fP
to build executables.
The configure script renames the library and
(if the \fB\-\-disable\-overwrite\fP option is used)
puts the header files in a different subdirectory.
-All of the library names have a "w" appended to them,
+All of the library names have a \*(``w\*('' appended to them,
i.e., instead of
-.RS 3
-.sp
-\fB\-lncurses\fR
-.RE
+.NS
+\fB\-lncurses\fP
+.NE
.IP
you link with
-.RS 3
-.sp
-\fB\-lncursesw\fR
+.NS
+\fB\-lncursesw\fP
+.NE
+.IP
+You must also enable the wide-character features in the header file
+when compiling for the wide-character library
+to use the extended (wide-character) functions.
+The symbol which enables these features has changed since XSI Curses, Issue 4:
+.RS
+.bP
+Originally, the wide-character feature required the symbol
+\fB_XOPEN_SOURCE_EXTENDED\fP
+but that was only valid for XPG4 (1996).
+.bP
+Later, that was deemed conflicting with \fB_XOPEN_SOURCE\fP defined to 500.
+.bP
+As of mid-2018,
+none of the features in this implementation require a \fB_XOPEN_SOURCE\fP
+feature greater than 600.
+However, X/Open Curses, Issue 7 (2009) recommends defining it to 700.
+.bP
+Alternatively, you can enable the feature by defining \fBNCURSES_WIDECHAR\fP
+with the caveat that some other header file than \fBcurses.h\fP
+may require a specific value for \fB_XOPEN_SOURCE\fP
+(or a system-specific symbol).
.RE
.IP
-You must also define \fB_XOPEN_SOURCE_EXTENDED\fP when compiling for the
-wide-character library to use the extended (wide-character) functions.
The \fBcurses.h\fP file which is installed for the wide-character
library is designed to be compatible with the normal library's header.
Only the size of the \fBWINDOW\fP structure differs, and very few
applications require more than a pointer to \fBWINDOW\fPs.
+.IP
If the headers are installed allowing overwrite,
the wide-character library's headers should be installed last,
to allow applications to be built using either library
.TP 5
\-\-with\-pthread
The configure script renames the library.
-All of the library names have a "t" appended to them
-(before any "w" added by \fB\-\-enable\-widec\fP).
+All of the library names have a \*(``t\*('' appended to them
+(before any \*(``w\*('' added by \fB\-\-enable\-widec\fP).
.IP
The global variables such as \fBLINES\fP are replaced by macros to
allow read-only access.
\-\-with\-profile
The shared and normal (static) library names differ by their suffixes,
e.g., \fBlibncurses.so\fP and \fBlibncurses.a\fP.
-The debug and profiling libraries add a "_g" and a "_p" to the root
-names respectively,
+The debug and profiling libraries add a \*(``_g\*(''
+and a \*(``_p\*('' to the root names respectively,
e.g., \fBlibncurses_g.a\fP and \fBlibncurses_p.a\fP.
.TP 5
+\-\-with\-termlib
+Low-level functions which do not depend upon whether the library
+supports wide-characters, are provided in the tinfo library.
+.IP
+By doing this, it is possible to share the tinfo library between
+wide/normal configurations as well as reduce the size of the library
+when only low-level functions are needed.
+.IP
+Those functions are described in these pages:
+.RS
+.bP
+\fBcurs_extend\fP(3X) \- miscellaneous curses extensions
+.bP
+\fBcurs_inopts\fP(3X) \- \fBcurses\fP input options
+.bP
+\fBcurs_kernel\fP(3X) \- low-level \fBcurses\fP routines
+.bP
+\fBcurs_termattrs\fP(3X) \- \fBcurses\fP environment query routines
+.bP
+\fBcurs_termcap\fP(3X) \- \fBcurses\fP emulation of termcap
+.bP
+\fBcurs_terminfo\fP(3X) \- \fBcurses\fP interfaces to terminfo database
+.bP
+\fBcurs_util\fP(3X) \- miscellaneous \fBcurses\fP utility routines
+.RE
+.TP 5
\-\-with\-trace
The \fBtrace\fP function normally resides in the debug library,
but it is sometimes useful to configure this in the shared library.
@TERMINFO@
terminal capability database
.SH SEE ALSO
-\fBterminfo\fR(\*n) and related pages whose names begin
-"curs_" for detailed routine descriptions.
+\fBterminfo\fP(\*n) and related pages whose names begin
+\*(``curs_\*('' for detailed routine descriptions.
+.br
+\fBcurs_variables\fP(3X)
.br
-\fBcurs_variables\fR(3X)
+\fBuser_caps\fP(5) for user-defined capabilities
.SH EXTENSIONS
-The \fBncurses\fR library can be compiled with an option (\fB\-DUSE_GETCAP\fR)
+The \fBncurses\fP library can be compiled with an option (\fB\-DUSE_GETCAP\fP)
that falls back to the old-style /etc/termcap file if the terminal setup code
-cannot find a terminfo entry corresponding to \fBTERM\fR.
+cannot find a terminfo entry corresponding to \fBTERM\fP.
Use of this feature
is not recommended, as it essentially includes an entire termcap compiler in
-the \fBncurses\fR startup code, at significant cost in core and startup cycles.
+the \fBncurses\fP startup code, at significant cost in core and startup cycles.
.PP
-The \fBncurses\fR library includes facilities for capturing mouse events on
+The \fBncurses\fP library includes facilities for capturing mouse events on
certain terminals (including xterm).
-See the \fBcurs_mouse\fR(3X)
+See the \fBcurs_mouse\fP(3X)
manual page for details.
.PP
-The \fBncurses\fR library includes facilities for responding to window
+The \fBncurses\fP library includes facilities for responding to window
resizing events, e.g., when running in an xterm.
-See the \fBresizeterm\fR(3X)
-and \fBwresize\fR(3X) manual pages for details.
-In addition, the library may be configured with a SIGWINCH handler.
+See the \fBresizeterm\fP(3X)
+and \fBwresize\fP(3X) manual pages for details.
+In addition, the library may be configured with a \fBSIGWINCH\fP handler.
.PP
-The \fBncurses\fR library extends the fixed set of function key capabilities
+The \fBncurses\fP library extends the fixed set of function key capabilities
of terminals by allowing the application designer to define additional
key sequences at runtime.
-See the \fBdefine_key\fR(3X)
-\fBkey_defined\fR(3X),
-and \fBkeyok\fR(3X) manual pages for details.
+See the \fBdefine_key\fP(3X)
+\fBkey_defined\fP(3X),
+and \fBkeyok\fP(3X) manual pages for details.
.PP
-The \fBncurses\fR library can exploit the capabilities of terminals which
+The \fBncurses\fP library can exploit the capabilities of terminals which
implement the ISO\-6429 SGR 39 and SGR 49 controls, which allow an application
to reset the terminal to its original foreground and background colors.
From the users' perspective, the application is able to draw colored
text on a background whose color is set independently, providing better
control over color contrasts.
-See the \fBdefault_colors\fR(3X) manual page for details.
+See the \fBdefault_colors\fP(3X) manual page for details.
.PP
-The \fBncurses\fR library includes a function for directing application output
+The \fBncurses\fP library includes a function for directing application output
to a printer attached to the terminal device.
-See the \fBcurs_print\fR(3X) manual page for details.
+See the \fBcurs_print\fP(3X) manual page for details.
.SH PORTABILITY
-The \fBncurses\fR library is intended to be BASE-level conformant with XSI
+The \fBncurses\fP library is intended to be BASE-level conformant with XSI
Curses.
The EXTENDED XSI Curses functionality
(including color support) is supported.
.PP
A small number of local differences (that is, individual differences between
-the XSI Curses and \fBncurses\fR calls) are described in \fBPORTABILITY\fR
+the XSI Curses and \fBncurses\fP calls) are described in \fBPORTABILITY\fP
sections of the library man pages.
+.SS Error checking
+.PP
+In many cases, X/Open Curses is vague about error conditions,
+omitting some of the SVr4 documentation.
.PP
Unlike other implementations, this one checks parameters such as pointers
to WINDOW structures to ensure they are not null.
to tell an application which of several possible errors were detected.
Relying on this (or some other) extension will adversely affect the
portability of curses applications.
+.SS Extensions versus portability
.PP
-This implementation also contains several extensions:
+Most of the extensions provided by ncurses have not been standardized.
+Some have been incorporated into other implementations, such as
+PDCurses or NetBSD curses.
+Here are a few to consider:
.bP
-The routine \fBhas_key\fR is not part of XPG4, nor is it present in SVr4.
-See the \fBcurs_getch\fR(3X) manual page for details.
+The routine \fBhas_key\fP is not part of XPG4, nor is it present in SVr4.
+See the \fBcurs_getch\fP(3X) manual page for details.
.bP
-The routine \fBslk_attr\fR is not part of XPG4, nor is it present in SVr4.
-See the \fBcurs_slk\fR(3X) manual page for details.
+The routine \fBslk_attr\fP is not part of XPG4, nor is it present in SVr4.
+See the \fBcurs_slk\fP(3X) manual page for details.
.bP
-The routines \fBgetmouse\fR, \fBmousemask\fR, \fBungetmouse\fR,
-\fBmouseinterval\fR, and \fBwenclose\fR relating to mouse interfacing are not
+The routines \fBgetmouse\fP, \fBmousemask\fP, \fBungetmouse\fP,
+\fBmouseinterval\fP, and \fBwenclose\fP relating to mouse interfacing are not
part of XPG4, nor are they present in SVr4.
-See the \fBcurs_mouse\fR(3X) manual page for details.
+See the \fBcurs_mouse\fP(3X) manual page for details.
.bP
-The routine \fBmcprint\fR was not present in any previous curses implementation.
-See the \fBcurs_print\fR(3X) manual page for details.
+The routine \fBmcprint\fP was not present in any previous curses implementation.
+See the \fBcurs_print\fP(3X) manual page for details.
.bP
-The routine \fBwresize\fR is not part of XPG4, nor is it present in SVr4.
-See the \fBwresize\fR(3X) manual page for details.
+The routine \fBwresize\fP is not part of XPG4, nor is it present in SVr4.
+See the \fBwresize\fP(3X) manual page for details.
.bP
The WINDOW structure's internal details can be hidden from application
programs.
-See \fBcurs_opaque\fR(3X) for the discussion of \fBis_scrollok\fR, etc.
+See \fBcurs_opaque\fP(3X) for the discussion of \fBis_scrollok\fP, etc.
.bP
This implementation can be configured to provide rudimentary support
for multi-threaded applications.
-See \fBcurs_threads\fR(3X) for details.
+See \fBcurs_threads\fP(3X) for details.
.bP
This implementation can also be configured to provide a set of functions which
improve the ability to manage multiple screens.
-See \fBcurs_sp_funcs\fR(3X) for details.
+See \fBcurs_sp_funcs\fP(3X) for details.
+.SS Padding differences
.PP
-In historic curses versions, delays embedded in the capabilities \fBcr\fR,
-\fBind\fR, \fBcub1\fR, \fBff\fR and \fBtab\fR activated corresponding delay
+In historic curses versions, delays embedded in the capabilities \fBcr\fP,
+\fBind\fP, \fBcub1\fP, \fBff\fP and \fBtab\fP activated corresponding delay
bits in the UNIX tty driver.
In this implementation, all padding is done by sending NUL bytes.
This method is slightly more expensive, but narrows the interface
to the UNIX kernel significantly and increases the package's portability
correspondingly.
+.SS Header files
+The header file \fB<curses.h>\fP automatically includes the header files
+\fB<stdio.h>\fP and \fB<unctrl.h>\fP.
+.PP
+X/Open Curses has more to say,
+but does not finish the story:
+.RS 4
+.PP
+The inclusion of <curses.h> may make visible all symbols
+from the headers <stdio.h>, <term.h>, <termios.h>, and <wchar.h>.
+.RE
+.PP
+Here is a more complete story:
+.bP
+Starting with BSD curses, all implementations have included <stdio.h>.
+.IP
+BSD curses included <curses.h> and <unctrl.h> from an internal header
+"curses.ext" ("ext" was a short name for \fIexterns\fP).
+.IP
+BSD curses used <stdio.h> internally (for \fBprintw\fP and \fBscanw\fP),
+but nothing in <curses.h> itself relied upon <stdio.h>.
+.bP
+SVr2 curses added \fBnewterm\fP(3X), which relies upon <stdio.h>.
+That is, the function prototype uses \fBFILE\fP.
+.IP
+SVr4 curses added \fBputwin\fP and \fBgetwin\fP, which also use <stdio.h>.
+.IP
+X/Open Curses documents all three of these functions.
+.IP
+SVr4 curses and X/Open Curses do not require the developer to
+include <stdio.h> before including <curses.h>.
+Both document curses showing <curses.h> as the only required header.
+.IP
+As a result, standard <curses.h> will always include <stdio.h>.
+.bP
+X/Open Curses is inconsistent with respect to SVr4 regarding <unctrl.h>.
+.IP
+As noted in \fBcurs_util\fP(3X), ncurses includes <unctrl.h> from
+<curses.h> (like SVr4).
+.bP
+X/Open's comments about <term.h> and <termios.h> may refer to HP-UX and AIX:
+.IP
+HP-UX curses includes <term.h> from <curses.h>
+to declare \fBsetupterm\fP in curses.h,
+but ncurses (and Solaris curses) do not.
+.IP
+AIX curses includes <term.h> and <termios.h>.
+Again, ncurses (and Solaris curses) do not.
+.bP
+X/Open says that <curses.h> \fImay\fP include <term.h>,
+but there is no requirement that it do that.
+.IP
+Some programs use functions declared in both <curses.h> and <term.h>,
+and must include both headers in the same module.
+Very old versions of AIX curses required including <curses.h>
+before including <term.h>.
+.IP
+Because ncurses header files include the headers needed to
+define datatypes used in the headers,
+ncurses header files can be included in any order.
+But for portability, you should include <curses.h> before <term.h>.
+.bP
+X/Open Curses says \fI"may make visible"\fP
+because including a header file does not necessarily make all symbols
+in it visible (there are ifdef's to consider).
+.IP
+For instance, in ncurses <wchar.h> \fImay\fP be included if
+the proper symbol is defined, and if ncurses is configured for
+wide-character support.
+If the header is included, its symbols may be made visible.
+That depends on the value used for \fB_XOPEN_SOURCE\fP
+feature test macro.
+.bP
+X/Open Curses documents one required header,
+in a special case: <stdarg.h> before <curses.h> to prototype
+the \fBvw_printw\fP and \fBvw_scanw\fP functions
+(as well as the obsolete
+the \fBvwprintw\fP and \fBvwscanw\fP functions).
+Each of those uses a \fBva_list\fP parameter.
+.IP
+The two obsolete functions were introduced in SVr3.
+The other functions were introduced in X/Open Curses.
+In between, SVr4 curses provided for the possibility that
+an application might include either <varargs.h> or <stdarg.h>.
+Initially, that was done by using \fBvoid*\fP for the \fBva_list\fP
+parameter.
+Later, a special type (defined in <stdio.h>) was introduced,
+to allow for compiler type-checking.
+That special type is always available,
+because <stdio.h> is always included by <curses.h>.
+.IP
+None of the X/Open Curses implementations require an application
+to include <stdarg.h> before <curses.h> because they either
+have allowed for a special type, or (like ncurses) include <stdarg.h>
+directly to provide a portable interface.
.SH NOTES
-The header file \fB<curses.h>\fR automatically includes the header files
-\fB<stdio.h>\fR and \fB<unctrl.h>\fR.
.PP
-If standard output from a \fBncurses\fR program is re-directed to something
+If standard output from a \fBncurses\fP program is re-directed to something
which is not a tty, screen updates will be directed to standard error.
This was an undocumented feature of AT&T System V Release 3 curses.
.SH AUTHORS
Zeyd M. Ben-Halim, Eric S. Raymond, Thomas E. Dickey.
-Based on pcurses by Pavel Curtis.
+Based on \fIpcurses\fP by Pavel Curtis.
projects / ncurses.git / blobdiff