X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=doc%2Fhtml%2Fman%2Fncurses.3x.html;h=530b293ac1c87f23be19f7ced997adcf50ff9ced;hp=e3d6d08b2d63250a520cc0b6c8877cad4f1a0b4c;hb=f367fa254ce3fe29710c86971f04e03111c2bd2c;hpb=82a087c4c47679fcfa59bb6d7bdbe587355ba3f6 diff --git a/doc/html/man/ncurses.3x.html b/doc/html/man/ncurses.3x.html index e3d6d08b..530b293a 100644 --- a/doc/html/man/ncurses.3x.html +++ b/doc/html/man/ncurses.3x.html @@ -2,7 +2,7 @@
@@ -63,16 +63,22 @@ sonable optimization. This implementation is ``new curses'' (ncurses) and is the approved replacement for 4.4BSD classic curses, which has been discontinued. This - describes ncurses version 5.6 (patch 20070303). - - The ncurses routines emulate the curses(3x) library of - System V Release 4 UNIX, and the XPG4 curses standard (XSI - curses) but the ncurses library is freely redistributable - in source form. Differences from the SVr4 curses are sum- - marized under the EXTENSIONS and PORTABILITY sections - below and described in detail in the respective EXTEN- - SIONS, PORTABILITY and BUGS sections of individual man - pages. + describes ncurses version 5.9 (patch 20120107). + + The ncurses 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 ncurses library is + freely redistributable in source form. Differences from + the SVr4 curses are summarized under the EXTENSIONS and + PORTABILITY sections below and described in detail in the + respective EXTENSIONS, PORTABILITY and BUGS sections of + individual man pages. + + The ncurses 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. A program using these routines must be linked with the -lncurses option, or (if it has been generated) with the @@ -90,13 +96,25 @@ lation; use of soft label keys; terminfo capabilities; and access to low-level terminal-manipulation routines. - To initialize the routines, the routine initscr or newterm - must be called before any of the other routines that deal - with windows and screens are used. The routine endwin - must be called before exiting. To get character-at-a-time - input without echoing (most interactive, screen oriented - programs want this), the following sequence should be - used: + The library uses the locale which the calling program has + initialized. That is normally done with setlocale: + + setlocale(LC_ALL, ""); + + 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. + + The function initscr or newterm must be called to initial- + ize the library before any of the other routines that deal + with windows and screens are used. The routine endwin + must be called before exiting. + + To get character-at-a-time input without echoing (most + interactive, screen oriented programs want this), the fol- + lowing sequence should be used: initscr(); cbreak(); noecho(); @@ -121,9 +139,9 @@ be created with newwin. Note that curses does not handle overlapping windows, - that's done by the panel(3x) library. This means that you + that's done by the panel(3x) library. This means that you can either use stdscr or divide the screen into tiled win- - dows and not using stdscr at all. Mixing the two will + dows and not using stdscr at all. Mixing the two will result in unpredictable, and undesired, effects. Windows are referred to by variables declared as WINDOW *. @@ -160,7 +178,7 @@ If the environment variables LINES and COLUMNS are set, or if the program is executing in a window environment, line and column information in the environment will override - information read by terminfo. This would effect a program + information read by terminfo. This would affect a program running in an AT&T 630 layer, for example, where the size of a screen is changeable (see ENVIRONMENT). @@ -218,11 +236,67 @@ DOW. Option setting routines require a Boolean flag bf with the - value TRUE or FALSE; bf is always of type bool. The vari- - ables ch and attrs below are always of type chtype. The - types WINDOW, SCREEN, bool, and chtype are defined in - <curses.h>. The type TERMINAL is defined in <term.h>. - All other arguments are integers. + value TRUE or FALSE; bf is always of type bool. Most of + the data types used in the library routines, such as WIN- + DOW, SCREEN, bool, and chtype are defined in <curses.h>. + Types used for the terminfo routines such as TERMINAL are + defined in <term.h>. + + This manual page describes functions which may appear in + any configuration of the library. There are two common + configurations of the library: + + ncurses + the "normal" library, which handles 8-bit + characters. The normal (8-bit) library stores + characters combined with attributes in chtype + data. + + Attributes alone (no corresponding character) + may be stored in chtype or the equivalent + attr_t data. In either case, the data is + stored in something like an integer. + + Each cell (row and column) in a WINDOW is + stored as a chtype. + + ncursesw + the so-called "wide" library, which handles + multibyte characters (see the section on + ALTERNATE CONFIGURATIONS). 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 charac- + ters: + + cchar_t + corresponds to chtype. However it is a + structure, because more data is stored + than can fit into an integer. The char- + acters are large enough to require a full + integer value - and there may be more + than one character per cell. The video + attributes and color are stored in sepa- + rate fields of the structure. + + Each cell (row and column) in a WINDOW is + stored as a cchar_t. + + wchar_t + stores a "wide" character. Like chtype, + this may be an integer. + + wint_t + stores a wchar_t or WEOF - not the same, + though both may have the same size. + + The "wide" library provides new functions + which are analogous to functions in the "nor- + mal" library. There is a naming convention + which relates many of the normal/wide vari- + ants: a "_w" is inserted into the name. For + example, waddch becomes wadd_wch. + Routine Name Index The following table lists each curses routine and the name @@ -235,6 +309,9 @@ -------------------------------------------- COLOR_PAIR curs_color(3x) PAIR_NUMBER curs_attr(3x) + _nc_free_and_exit curs_memleaks(3x)* + + _nc_freeall curs_memleaks(3x)* _nc_tracebits curs_trace(3x)* _traceattr curs_trace(3x)* _traceattr2 curs_trace(3x)* @@ -244,7 +321,6 @@ _tracedump curs_trace(3x)* _tracef curs_trace(3x)* _tracemouse curs_trace(3x)* - add_wch curs_add_wch(3x) add_wchnstr curs_add_wchstr(3x) add_wchstr curs_add_wchstr(3x) @@ -300,6 +376,7 @@ echo curs_inopts(3x) echo_wchar curs_add_wch(3x) echochar curs_addch(3x) + endwin curs_initscr(3x) erase curs_clear(3x) erasechar curs_termattrs(3x) @@ -309,16 +386,24 @@ flushinp curs_util(3x) get_wch curs_get_wch(3x) get_wstr curs_get_wstr(3x) + getattrs curs_attr(3x) + getbegx curs_legacy(3x)* + getbegy curs_legacy(3x)* getbegyx curs_getyx(3x) - getbkgd curs_bkgd(3x) getbkgrnd curs_bkgrnd(3x) getcchar curs_getcchar(3x) getch curs_getch(3x) + getcurx curs_legacy(3x)* + getcury curs_legacy(3x)* + getmaxx curs_legacy(3x)* + getmaxy curs_legacy(3x)* getmaxyx curs_getyx(3x) getmouse curs_mouse(3x)* getn_wstr curs_get_wstr(3x) getnstr curs_getstr(3x) + getparx curs_legacy(3x)* + getpary curs_legacy(3x)* getparyx curs_getyx(3x) getstr curs_getstr(3x) getsyx curs_kernel(3x) @@ -356,7 +441,19 @@ instr curs_instr(3x) intrflush curs_inopts(3x) inwstr curs_inwstr(3x) + is_cleared curs_opaque(3x)* + + is_idcok curs_opaque(3x)* + is_idlok curs_opaque(3x)* + is_immedok curs_opaque(3x)* + is_keypad curs_opaque(3x)* + is_leaveok curs_opaque(3x)* is_linetouched curs_touch(3x) + is_nodelay curs_opaque(3x)* + is_notimeout curs_opaque(3x)* + is_scrollok curs_opaque(3x)* + is_syncok curs_opaque(3x)* + is_term_resized resizeterm(3x)* is_wintouched curs_touch(3x) isendwin curs_initscr(3x) key_defined key_defined(3x)* @@ -376,7 +473,6 @@ mousemask curs_mouse(3x)* move curs_move(3x) mvadd_wch curs_add_wch(3x) - mvadd_wchnstr curs_add_wchstr(3x) mvadd_wchstr curs_add_wchstr(3x) mvaddch curs_addch(3x) @@ -412,6 +508,7 @@ mvinsch curs_insch(3x) mvinsnstr curs_insstr(3x) mvinsstr curs_insstr(3x) + mvinstr curs_instr(3x) mvinwstr curs_inwstr(3x) mvprintw curs_printw(3x) @@ -442,7 +539,6 @@ mvwin_wch curs_in_wch(3x) mvwin_wchnstr curs_in_wchstr(3x) mvwin_wchstr curs_in_wchstr(3x) - mvwinch curs_inch(3x) mvwinchnstr curs_inchstr(3x) mvwinchstr curs_inchstr(3x) @@ -468,6 +564,7 @@ nocbreak curs_inopts(3x) nodelay curs_inopts(3x) noecho curs_inopts(3x) + nofilter curs_util(3x)* nonl curs_outopts(3x) noqiflush curs_inopts(3x) noraw curs_inopts(3x) @@ -477,6 +574,7 @@ pair_content curs_color(3x) pechochar curs_pad(3x) pnoutrefresh curs_pad(3x) + prefresh curs_pad(3x) printw curs_printw(3x) putp curs_terminfo(3x) @@ -508,7 +606,6 @@ setterm curs_terminfo(3x) setupterm curs_terminfo(3x) slk_attr curs_slk(3x)* - slk_attr_off curs_slk(3x) slk_attr_on curs_slk(3x) slk_attr_set curs_slk(3x) @@ -543,6 +640,7 @@ tigetstr curs_terminfo(3x) timeout curs_inopts(3x) touchline curs_touch(3x) + touchwin curs_touch(3x) tparm curs_terminfo(3x) tputs curs_termcap(3x) @@ -557,6 +655,7 @@ use_default_colors default_colors(3x)* use_env curs_util(3x) use_extended_names curs_extend(3x)* + use_legacy_coding legacy_coding(3x)* vid_attr curs_terminfo(3x) vid_puts curs_terminfo(3x) vidattr curs_terminfo(3x) @@ -574,7 +673,6 @@ waddchnstr curs_addchstr(3x) waddchstr curs_addchstr(3x) waddnstr curs_addstr(3x) - waddnwstr curs_addwstr(3x) waddstr curs_addstr(3x) waddwstr curs_addwstr(3x) @@ -608,6 +706,7 @@ wgetbkgrnd curs_bkgrnd(3x) wgetch curs_getch(3x) wgetn_wstr curs_get_wstr(3x) + wgetnstr curs_getstr(3x) wgetstr curs_getstr(3x) whline curs_border(3x) @@ -640,7 +739,6 @@ wscanw curs_scanw(3x) wscrl curs_scroll(3x) wsetscrreg curs_outopts(3x) - wstandend curs_attr(3x) wstandout curs_attr(3x) wsyncdown curs_window(3x) @@ -659,9 +757,12 @@ pletion, unless otherwise noted in the routine descrip- tions. - All macros return the value of the w version, except + As a general rule, routines check for null pointers passed + as parameters, and handle this as an error. + + All macros return the value of the w version, except setscrreg, wsetscrreg, getyx, getbegyx, and getmaxyx. The - return values of setscrreg, wsetscrreg, getyx, getbegyx, + return values of setscrreg, wsetscrreg, getyx, getbegyx, and getmaxyx are undefined (i.e., these should not be used as the right-hand side of assignment statements). @@ -675,18 +776,23 @@ important ones have been already discussed in detail. BAUDRATE - The debugging library checks this environment symbol + The debugging library checks this environment symbol when the application has redirected output to a file. - The symbol's numeric value is used for the baudrate. + The symbol's numeric value is used for the baudrate. If no value is found, ncurses uses 9600. This allows - testers to construct repeatable test-cases that take + testers to construct repeatable test-cases that take into account costs that depend on baudrate. CC When set, change occurrences of the command_character - (i.e., the cmdch capability) of the loaded terminfo - entries to the value of this symbol. Very few ter- + (i.e., the cmdch capability) of the loaded terminfo + entries to the value of this symbol. Very few ter- minfo entries provide this feature. + Because this name is also used in development envi- + ronments to represent the C compiler's name, ncurses + ignores it if it does not happen to be a single char- + acter. + COLUMNS Specify the width of the screen in characters. Applications running in a windowing environment usu- @@ -776,12 +882,25 @@ nal's default colors are white-on-black (see default_colors(3x)). You may set the foreground and background color values with this environment vari- - able 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 max_col- - ors value is allowed. + able by proving a 2-element list: foreground,back- + ground. 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 posi- + tive value from zero to the terminfo max_colors value + is allowed. + + NCURSES_GPM_TERMS + This applies only to ncurses configured to use the + GPM interface. + + If present, the environment variable is a list of one + or more terminal names against which the TERM envi- + ronment variable is matched. Setting it to an empty + value disables the GPM interface; using the built-in + support for xterm, etc. + + If the environment variable is absent, ncurses will + attempt to open GPM if TERM contains "linux". NCURSES_NO_HARD_TABS Ncurses may use tabs as part of the cursor movement @@ -794,8 +913,8 @@ 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 termi- - nals by setting this environment variable. + suppress the highlighting entirely for these + terminals by setting this environment variable. NCURSES_NO_PADDING Most of the terminal descriptions in the terminfo @@ -851,106 +970,133 @@ When setting this variable, you should set it to a nonzero value. Setting it to zero (or to a nonnum- - ber) disables the special check for Linux and screen. + ber) disables the special check for "linux" and + "screen". + + As an alternative to the environment variable, + ncurses checks for an extended terminfo capability + U8. This is a numeric capability which can be com- + piled using tic -x. For example + + # linux console, if patched to provide working + # VT100 shift-in/shift-out, with corresponding font. + linux-vt100|linux console with VT100 line-graphics, + U8#0, use=linux, + + # uxterm with vt100Graphics resource set to false + xterm-utf8|xterm relying on UTF-8 line-graphics, + U8#1, use=xterm, + + The name "U8" is chosen to be two characters, to per- + mit it to be used by applications that use ncurses' + termcap interface. NCURSES_TRACE - During initialization, the ncurses debugging library - checks the NCURSES_TRACE symbol. If it is defined, + During initialization, the ncurses debugging library + checks the NCURSES_TRACE symbol. If it is defined, to a numeric value, ncurses calls the trace function, using that value as the argument. - The argument values, which are defined in curses.h, - provide several types of information. When running - with traces enabled, your application will write the + The argument values, which are defined in curses.h, + provide several types of information. When running + with traces enabled, your application will write the file trace to the current directory. - TERM Denotes your terminal type. Each terminal type is + TERM Denotes your terminal type. Each terminal type is distinct, though many are similar. TERMCAP If the ncurses library has been configured with term- - cap support, ncurses will check for a terminal's + cap support, ncurses will check for a terminal's description in termcap form if it is not available in the terminfo database. - The TERMCAP symbol contains either a terminal - description (with newlines stripped out), or a file - name telling where the information denoted by the - TERM symbol exists. In either case, setting it - directs ncurses to ignore the usual place for this + The TERMCAP symbol contains either a terminal + description (with newlines stripped out), or a file + name telling where the information denoted by the + TERM symbol exists. In either case, setting it + directs ncurses to ignore the usual place for this information, e.g., /etc/termcap. TERMINFO Overrides the directory in which ncurses searches for your terminal description. This is the simplest, but - not the only way to change the list of directories. + not the only way to change the list of directories. The complete list of directories in order follows: - - the last directory to which ncurses wrote, if any, - is searched first + o the last directory to which ncurses wrote, if + any, is searched first - - the directory specified by the TERMINFO symbol + o the directory specified by the TERMINFO symbol - - $HOME/.terminfo + o $HOME/.terminfo - - directories listed in the TERMINFO_DIRS symbol + o directories listed in the TERMINFO_DIRS symbol - - one or more directories whose names are configured - and compiled into the ncurses library, e.g., - /usr/share/terminfo + o one or more directories whose names are config- + ured and compiled into the ncurses library, e.g., + /usr/share/terminfo TERMINFO_DIRS - Specifies a list of directories to search for termi- - nal descriptions. The list is separated by colons - (i.e., ":") on Unix, semicolons on OS/2 EMX. All of + Specifies a list of directories to search for termi- + nal descriptions. 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 + makes a subdirectory named for the first letter of the terminal names therein. + If ncurses is built with a hashed database, then each + entry in this list can also be the path of the corre- + sponding database file. + + If ncurses is built with a support for reading term- + cap files directly, then an entry in this list may be + the path of a termcap file. + TERMPATH - If TERMCAP does not hold a file name then ncurses - checks the TERMPATH symbol. 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, ncurses looks in the files - /etc/termcap, /usr/share/misc/termcap and - $HOME/.termcap, in that order. - - The library may be configured to disregard the following - variables when the current user is the superuser (root), - or if the application uses setuid or setgid permissions: + If TERMCAP does not hold a file name then ncurses + checks the TERMPATH symbol. This is a list of file- + names separated by spaces or colons (i.e., ":") on + Unix, semicolons on OS/2 EMX. If the TERMPATH symbol + is not set, ncurses looks in the files /etc/termcap, + /usr/share/misc/termcap and $HOME/.termcap, in that + order. + + The library may be configured to disregard the following + variables when the current user is the superuser (root), + or if the application uses setuid or setgid permissions: $TERMINFO, $TERMINFO_DIRS, $TERMPATH, as well as $HOME.- Several different configurations are possible, depending - on the configure script options used when building - ncurses. There are a few main options whose effects are + Several different configurations are possible, depending + on the configure script options used when building + ncurses. There are a few main options whose effects are visible to the applications developer using ncurses: --disable-overwrite - The standard include for ncurses is as noted in SYN- + The standard include for ncurses is as noted in SYN- OPSIS: #include <curses.h> - This option is used to avoid filename conflicts when - ncurses is not the main implementation of curses of - the computer. If ncurses is installed disabling - overwrite, it puts its headers in a subdirectory, + This option is used to avoid filename conflicts when + ncurses is not the main implementation of curses of + the computer. If ncurses is installed disabling + overwrite, it puts its headers in a subdirectory, e.g., #include <ncurses/curses.h> - It also omits a symbolic link which would allow you + It also omits a symbolic link which would allow you to use -lcurses to build executables. --enable-widec - The configure script renames the library and (if the - --disable-overwrite option is used) puts the header + The configure script renames the library and (if the + --disable-overwrite option is used) puts the header files in a different subdirectory. All of the - library names have a "w" appended to them, i.e., + library names have a "w" appended to them, i.e., instead of -lncurses @@ -960,16 +1106,16 @@ -lncursesw You must also define _XOPEN_SOURCE_EXTENDED when com- - piling for the wide-character library to use the - extended (wide-character) functions. The curses.h - file which is installed for the wide-character - library is designed to be compatible with the normal + piling for the wide-character library to use the + extended (wide-character) functions. The curses.h + 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 WINDOW struc- - ture differs, and very few applications require more - than a pointer to WINDOWs. 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 from + ture differs, and very few applications require more + than a pointer to WINDOWs. 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 from the same set of headers. --with-shared @@ -979,16 +1125,16 @@ --with-debug --with-profile - The shared and normal (static) library names differ - by their suffixes, e.g., libncurses.so and - libncurses.a. The debug and profiling libraries add - a "_g" and a "_p" to the root names respectively, + The shared and normal (static) library names differ + by their suffixes, e.g., libncurses.so and + libncurses.a. The debug and profiling libraries add + a "_g" and a "_p" to the root names respectively, e.g., libncurses_g.a and libncurses_p.a. --with-trace - The trace function normally resides in the debug + The trace function normally resides in the debug library, but it is sometimes useful to configure this - in the shared library. Configure scripts should + in the shared library. Configure scripts should check for the function's existence rather than assum- ing it is always in the debug library. @@ -996,15 +1142,16 @@
/usr/share/tabset - directory containing initialization files for the + directory containing initialization files for the terminal capability database /usr/share/terminfo ter- minal capability database
- terminfo(5) and related pages whose names begin "curs_" + terminfo(5) and related pages whose names begin "curs_" for detailed routine descriptions. + curs_variables(3x)@@ -1012,95 +1159,119 @@ The ncurses library can be compiled with an option (-DUSE_GETCAP) that falls back to the old-style /etc/term- cap file if the terminal setup code cannot find a terminfo - entry corresponding to TERM. Use of this feature is not - recommended, as it essentially includes an entire termcap - compiler in the ncurses startup code, at significant cost + entry corresponding to TERM. Use of this feature is not + recommended, as it essentially includes an entire termcap + compiler in the ncurses startup code, at significant cost in core and startup cycles. - The ncurses library includes facilities for capturing - mouse events on certain terminals (including xterm). See + The ncurses library includes facilities for capturing + mouse events on certain terminals (including xterm). See the curs_mouse(3x) manual page for details. - The ncurses library includes facilities for responding to - window resizing events, e.g., when running in an xterm. - See the resizeterm(3x) and wresize(3x) manual pages for - details. In addition, the library may be configured with + The ncurses library includes facilities for responding to + window resizing events, e.g., when running in an xterm. + See the resizeterm(3x) and wresize(3x) manual pages for + details. In addition, the library may be configured with a SIGWINCH handler. - The ncurses library extends the fixed set of function key - capabilities of terminals by allowing the application - designer to define additional key sequences at runtime. + The ncurses 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 define_key(3x) key_defined(3x), and keyok(3x) man- ual pages for details. The ncurses library can exploit the capabilities of termi- - nals which implement the ISO-6429 SGR 39 and SGR 49 con- + nals which implement the ISO-6429 SGR 39 and SGR 49 con- trols, 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 col- - ored text on a background whose color is set indepen- - dently, providing better control over color contrasts. + its original foreground and background colors. From the + users' perspective, the application is able to draw col- + ored text on a background whose color is set indepen- + dently, providing better control over color contrasts. See the default_colors(3x) manual page for details. - The ncurses library includes a function for directing - application output to a printer attached to the terminal + The ncurses library includes a function for directing + application output to a printer attached to the terminal device. See the curs_print(3x) manual page for details.
- The ncurses library is intended to be BASE-level confor- - mant with the XSI Curses standard. The EXTENDED XSI - Curses functionality (including color support) is sup- - ported. + The ncurses library is intended to be BASE-level confor- + mant with XSI Curses. The EXTENDED XSI Curses functional- + ity (including color support) is supported. A small number of local differences (that is, individual differences between the XSI Curses and ncurses calls) are described in PORTABILITY sections of the library man pages. - The routine has_key is not part of XPG4, nor is it present - in SVr4. See the curs_getch(3x) manual page for details. + Unlike other implementations, this one checks parameters + such as pointers to WINDOW structures to ensure they are + not null. The main reason for providing this behavior is + to guard against programmer error. The standard interface + does not provide a way for the library to tell an applica- + tion which of several possible errors were detected. + Relying on this (or some other) extension will adversely + affect the portability of curses applications. + + This implementation also contains several extensions: + + o The routine has_key is not part of XPG4, nor is it + present in SVr4. See the curs_getch(3x) manual page + for details. + + o The routine slk_attr is not part of XPG4, nor is it + present in SVr4. See the curs_slk(3x) manual page for + details. + + o The routines getmouse, mousemask, ungetmouse, mousein- + terval, and wenclose relating to mouse interfacing are + not part of XPG4, nor are they present in SVr4. See + the curs_mouse(3x) manual page for details. + + o The routine mcprint was not present in any previous + curses implementation. See the curs_print(3x) manual + page for details. - The routine slk_attr is not part of XPG4, nor is it - present in SVr4. See the curs_slk(3x) manual page for - details. + o The routine wresize is not part of XPG4, nor is it + present in SVr4. See the wresize(3x) manual page for + details. - The routines getmouse, mousemask, ungetmouse, mouseinter- - val, and wenclose relating to mouse interfacing are not - part of XPG4, nor are they present in SVr4. See the - curs_mouse(3x) manual page for details. + o The WINDOW structure's internal details can be hidden + from application programs. See curs_opaque(3x) for + the discussion of is_scrollok, etc. - The routine mcprint was not present in any previous curses - implementation. See the curs_print(3x) manual page for - details. + o This implementation can be configured to provide rudi- + mentary support for multi-threaded applications. See + curs_threads(3x) for details. - The routine wresize is not part of XPG4, nor is it present - in SVr4. See the wresize(3x) manual page for details. + o This implementation can also be configured to provide + a set of functions which improve the ability to manage + multiple screens. See curs_sp_funcs(3x) for details. - In historic curses versions, delays embedded in the capa- + In historic curses versions, delays embedded in the capa- bilities cr, ind, cub1, ff and tab activated corresponding - delay bits in the UNIX tty driver. In this implementa- - tion, all padding is done by NUL sends. This method is - slightly more expensive, but narrows the interface to the - UNIX kernel significantly and increases the package's - portability correspondingly. + delay bits in the UNIX tty driver. In this implementa- + tion, all padding is done by sending NUL bytes. This + method is slightly more expensive, but narrows the inter- + face to the UNIX kernel significantly and increases the + package's portability correspondingly.
- The header file <curses.h> automatically includes the + The header file <curses.h> automatically includes the header files <stdio.h> and <unctrl.h>. - If standard output from a ncurses program is re-directed - to something which is not a tty, screen updates will be + If standard output from a ncurses program is re-directed + to something which is not a tty, screen updates will be directed to standard error. This was an undocumented fea- ture of AT&T System V Release 3 curses.
- Zeyd M. Ben-Halim, Eric S. Raymond, Thomas E. Dickey. + Zeyd M. Ben-Halim, Eric S. Raymond, Thomas E. Dickey. Based on pcurses by Pavel Curtis.