'\" t
.\"***************************************************************************
-.\" Copyright (c) 1998,1999 Free Software Foundation, Inc. *
+.\" Copyright (c) 1998,1999,2001,2002 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 1.44 2000/10/08 01:39:26 tom Exp $
+.\" $Id: ncurses.3x,v 1.63 2002/08/10 21:56:07 tom Exp $
.hy 0
.TH ncurses 3X ""
.ds n 5
_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)
assume_default_colors/\fBdefault_colors\fR(3X)*
attr_get/\fBcurs_attr\fR(3X)
attr_off/\fBcurs_attr\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)
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)
flash/\fBcurs_beep\fR(3X)
flushinp/\fBcurs_util\fR(3X)
+get_wch/\fBcurs_get_wch\fR(3X)
+get_wstr/\fBcurs_get_wstr\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)
getmaxyx/\fBcurs_getyx\fR(3X)
getmouse/\fBcurs_mouse\fR(3X)*
+getn_wstr/\fBcurs_get_wstr\fR(3X)
getnstr/\fBcurs_getstr\fR(3X)
getparyx/\fBcurs_getyx\fR(3X)
getstr/\fBcurs_getstr\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_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)
insstr/\fBcurs_insstr\fR(3X)
instr/\fBcurs_instr\fR(3X)
intrflush/\fBcurs_inopts\fR(3X)
+inwstr/\fBcurs_inwstr\fR(3X)
is_linetouched/\fBcurs_touch\fR(3X)
is_wintouched/\fBcurs_touch\fR(3X)
isendwin/\fBcurs_initscr\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)*
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)
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)
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)
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)*
+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)
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)
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)
+wgetn_wstr/\fBcurs_get_wstr\fR(3X)
wgetnstr/\fBcurs_getstr\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)
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)
.TE
.SH RETURN VALUE
Routines that return an integer return \fBERR\fR upon failure and an
The symbol must be three numeric digits 1-3 in any order, e.g., 123 or 321.
If it is not specified, \fBncurses\fR uses 132.
.TP 5
+NCURSES_ASSUMED_COLORS
+Override the compiled-in assumption that the
+terminal's default colors are white-on-black
+(see \fBassume_default_colors\fR(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.
+.TP 5
NCURSES_NO_PADDING
Most of the terminal descriptions in the terminfo database are written
for real "hardware" terminals.
.TP 5
TERMINFO_DIRS
Specifies a list of directories to search for terminal descriptions.
-The list is separated by colons (i.e., ":").
+The list is separated by colons (i.e., ":") on Unix, semicolons on OS/2 EMX.
All of the terminal descriptions are in terminfo form, which makes
a subdirectory named for the first letter of the terminal names therein.
.TP 5
TERMPATH
If TERMCAP does not hold a file name then \fBncurses\fR checks
the TERMPATH symbol.
-This is a list of filenames separated by colons (i.e., ":").
+This is a list of filenames separated by spaces or colons (i.e., ":") on Unix, semicolons on OS/2 EMX.
If the TERMPATH symbol is not set, \fBncurses\fR looks in the files
/etc/termcap, /usr/share/misc/termcap and $HOME/.termcap, in that order.
.PP
@TERMINFO@
terminal capability database
.SH SEE ALSO
-\fBterminfo\fR(\*n) and 3X pages whose names begin "curs_" for detailed routine
+\fBterminfo\fR(\*n) and related pages whose names begin "curs_" for detailed routine
descriptions.
.SH EXTENSIONS
The \fBncurses\fR library can be compiled with an option (\fB-DUSE_GETCAP\fR)
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 \fBuse_default_colors\fR(3X) manual page for details.
+See the \fBdefault_colors\fR(3X) manual page for details.
The \fBncurses\fR library includes a function for directing application output
to a printer attached to the terminal device. See the \fBcurs_print\fR(3X)
Curses standard. Certain portions of the EXTENDED XSI Curses functionality
(including color support) are supported. The following EXTENDED XSI Curses
calls in support of wide (multibyte) characters are not yet implemented:
-\fBadd_wch\fP,
-\fBadd_wchnstr\fP,
-\fBadd_wchstr\fP,
-\fBaddnwstr\fP,
-\fBaddwstr\fP,
-\fBbkgrnd\fP,
-\fBbkgrndset\fP,
-\fBborder_set\fP,
-\fBbox_set\fP,
-\fBecho_wchar\fP,
-\fBerasewchar\fP,
-\fBget_wch\fP,
-\fBget_wstr\fP,
-\fBgetbkgrnd\fP,
-\fBgetcchar\fP,
-\fBgetn_wstr\fP,
-\fBgetwchtype\fP,
-\fBhline_set\fP,
-\fBin_wch\fP,
-\fBin_wchnstr\fP,
-\fBin_wchstr\fP,
-\fBinnwstr\fP,
-\fBins_nwstr\fP,
-\fBins_wch\fP,
-\fBins_wstr\fP,
-\fBinwchnstr\fP,
-\fBinwchstr\fP,
-\fBinwstr\fP,
-\fBkey_name\fP,
-\fBkillwchar\fP,
-\fBmvadd_wch\fP,
-\fBmvadd_wchnstr\fP,
-\fBmvadd_wchstr\fP,
-\fBmvaddnwstr\fP,
-\fBmvaddwstr\fP,
-\fBmvget_wch\fP,
-\fBmvget_wstr\fP,
-\fBmvgetn_wstr\fP,
-\fBmvhline_set\fP,
-\fBmvin_wch\fP,
-\fBmvinnwstr\fP,
-\fBmvins_nwstr\fP,
-\fBmvins_wch\fP,
-\fBmvins_wstr\fP,
-\fBmvinwchnstr\fP,
-\fBmvinwchstr\fP,
-\fBmvinwchstr\fP,
-\fBmvinwstr\fP,
-\fBmvvline_set\fP,
-\fBmvwadd_wch\fP,
-\fBmvwadd_wchnstr\fP,
-\fBmvwadd_wchstr\fP,
-\fBmvwaddnwstr\fP,
-\fBmvwaddwstr\fP,
-\fBmvwget_ch\fP,
-\fBmvwget_wch\fP,
-\fBmvwget_wstr\fP,
-\fBmvwgetn_wstr\fP,
-\fBmvwhline_set\fP,
-\fBmvwin_wch\fP,
-\fBmvwin_wchnstr\fP,
-\fBmvwin_wchstr\fP,
-\fBmvwinnwstr\fP,
-\fBmvwins_nwstr\fP,
-\fBmvwins_wch\fP,
-\fBmvwins_wstr\fP,
-\fBmvwinwchnstr\fP.
-\fBmvwinwstr\fP,
-\fBmvwvline_set\fP,
\fBpecho_wchar\fP,
-\fBsetcchar\fP,
-\fBslk_wset\fP,
-\fBterm_attrs\fP,
-\fBunget_wch\fP,
-\fBvhline_set\fP,
-\fBvid_attr\fP,
-\fBvid_puts\fP,
-\fBvline_set\fP,
-\fBwadd_wch\fP,
-\fBwadd_wchnstr\fP,
-\fBwadd_wchstr\fP,
-\fBwaddnwstr\fP,
-\fBwaddwstr\fP,
-\fBwaddwstr\fP,
-\fBwbkgrnd\fP,
-\fBwbkgrndset\fP,
-\fBwbkgrndset\fP,
-\fBwborder_set\fP,
-\fBwecho_wchar\fP,
-\fBwecho_wchar\fP,
-\fBwget_wch\fP,
-\fBwget_wstr\fP,
-\fBwgetbkgrnd\fP,
-\fBwgetn_wstr\fP,
-\fBwhline_set\fP,
-\fBwin_wch\fP,
-\fBwin_wchnstr\fP,
-\fBwin_wchstr\fP,
-\fBwinnwstr\fP,
-\fBwins_nwstr\fP,
-\fBwins_wch\fP,
-\fBwins_wstr\fP,
-\fBwinwchnstr\fP,
-\fBwinwchstr\fP,
-\fBwinwstr\fP,
-\fBwunctrl\fP,
-\fBwvline_set\fP,
+\fBslk_wset\fP.
.PP
A small number of local differences (that is, individual differences between
the XSI Curses and \fBncurses\fR calls) are described in \fBPORTABILITY\fR
NUL sends. This method is slightly more expensive, but narrows the interface
to the UNIX kernel significantly and increases the package's portability
correspondingly.
-.PP
-In the XSI standard and SVr4 manual pages, many entry points have prototype
-arguments of the for \fBchar *const\fR (or \fBcchar_t *const\fR, or
-\fBwchar_t *const\fR, or \fBvoid *const\fR). Depending on one's interpretation of the
-ANSI C standard (see section 3.5.4.1), these declarations are either (a)
-meaningless, or (b) meaningless and illegal. The declaration
-\fBconst char *x\fR is a modifiable pointer to unmodifiable data, but
-\fBchar *const x\fR' is
-an unmodifiable pointer to modifiable data. Given that C passes arguments by
-value, \fB<type> *const\fR as a formal type is at best dubious. Some compilers
-choke on the prototypes. Therefore, in this implementation, they have been
-changed to \fBconst <type> *\fR globally.
.SH NOTES
The header file \fB<curses.h>\fR automatically includes the header files
\fB<stdio.h>\fR and \fB<unctrl.h>\fR.
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