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diff --git a/doc/html/man/curs_threads.3x.html b/doc/html/man/curs_threads.3x.html index 51a249bc642f..8681a8fe8305 100644 --- a/doc/html/man/curs_threads.3x.html +++ b/doc/html/man/curs_threads.3x.html @@ -1,6 +1,7 @@ -<!-- +<!-- + * t **************************************************************************** - * Copyright 2020 Thomas E. Dickey * + * Copyright 2021-2023,2024 Thomas E. Dickey * * Copyright 2008-2015,2017 Free Software Foundation, Inc. * * * * Permission is hereby granted, free of charge, to any person obtaining a * @@ -27,34 +28,35 @@ * sale, use or other dealings in this Software without prior written * * authorization. * **************************************************************************** - * @Id: curs_threads.3x,v 1.27 2020/12/30 18:28:51 tom Exp @ - * *************************************************************************** - * *************************************************************************** + * @Id: curs_threads.3x,v 1.56 2024/03/16 15:35:01 tom Exp @ --> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"> <HTML> <HEAD> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii"> <meta name="generator" content="Manpage converted by man2html - see https://invisible-island.net/scripts/readme.html#others_scripts"> -<TITLE>curs_threads 3x</TITLE> +<TITLE>curs_threads 3x 2024-03-16 ncurses 6.5 Library calls</TITLE> <link rel="author" href="mailto:bug-ncurses@gnu.org"> -<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> + </HEAD> <BODY> -<H1 class="no-header">curs_threads 3x</H1> +<H1 class="no-header">curs_threads 3x 2024-03-16 ncurses 6.5 Library calls</H1> <PRE> -<STRONG><A HREF="curs_threads.3x.html">curs_threads(3x)</A></STRONG> <STRONG><A HREF="curs_threads.3x.html">curs_threads(3x)</A></STRONG> +<STRONG><A HREF="curs_threads.3x.html">curs_threads(3x)</A></STRONG> Library calls <STRONG><A HREF="curs_threads.3x.html">curs_threads(3x)</A></STRONG> </PRE><H2><a name="h2-NAME">NAME</a></H2><PRE> - <STRONG>curs_threads</STRONG> - <STRONG>curses</STRONG> thread support + <EM>NCURSES</EM><STRONG>_</STRONG><EM>WINDOW</EM><STRONG>_</STRONG><EM>CB</EM>, <EM>NCURSES</EM><STRONG>_</STRONG><EM>SCREEN</EM><STRONG>_</STRONG><EM>CB</EM>, <STRONG>get_escdelay</STRONG>, <STRONG>set_escdelay</STRONG>, + <STRONG>set_tabsize</STRONG>, <STRONG>use_screen</STRONG>, <STRONG>use_window</STRONG> - <EM>curses</EM> support for multi-threaded + applications </PRE><H2><a name="h2-SYNOPSIS">SYNOPSIS</a></H2><PRE> <STRONG>#include</STRONG> <STRONG><curses.h></STRONG> + <EM>/*</EM> <EM>data</EM> <EM>types</EM> <EM>*/</EM> <STRONG>typedef</STRONG> <STRONG>int</STRONG> <STRONG>(*NCURSES_WINDOW_CB)(WINDOW</STRONG> <STRONG>*,</STRONG> <STRONG>void</STRONG> <STRONG>*);</STRONG> <STRONG>typedef</STRONG> <STRONG>int</STRONG> <STRONG>(*NCURSES_SCREEN_CB)(SCREEN</STRONG> <STRONG>*,</STRONG> <STRONG>void</STRONG> <STRONG>*);</STRONG> @@ -67,548 +69,555 @@ </PRE><H2><a name="h2-DESCRIPTION">DESCRIPTION</a></H2><PRE> - This implementation can be configured to provide rudimentary support - for multi-threaded applications. This makes a different set of li- - braries, e.g., <EM>libncursest</EM> since the binary interfaces are different. - - Rather than modify the interfaces to pass a thread specifier to each - function, it adds a few functions which can be used in any configura- - tion which hide the mutex's needed to prevent concurrent use of the - global variables when configured for threading. - - In addition to forcing access to members of the <STRONG>WINDOW</STRONG> structure to be - via functions (see <STRONG><A HREF="curs_opaque.3x.html">curs_opaque(3x)</A></STRONG>), it makes functions of the common - global variables, e.g., COLORS, COLOR_PAIRS, COLS, ESCDELAY, LINES, - TABSIZE curscr, newscr and ttytype. Those variables are maintained as - read-only values, stored in the <STRONG>SCREEN</STRONG> structure. - - Even this is not enough to make a thread-safe application using curses. - A multi-threaded application would be expected to have threads updating - separate windows (within the same device), or updating on separate - screens (on different devices). Also, a few of the global variables - are considered writable by some applications. The functions described - here address these special situations. - - The ESCDELAY and TABSIZE global variables are modified by some applica- - tions. To modify them in any configuration, use the <STRONG>set_escdelay</STRONG> or - <STRONG>set_tabsize</STRONG> functions. Other global variables are not modifiable. - - The <STRONG>get_escdelay</STRONG> function returns the value for ESCDELAY. - - The <STRONG>use_window</STRONG> and <STRONG>use_screen</STRONG> functions provide coarse granularity mu- - texes for their respective <STRONG>WINDOW</STRONG> and <STRONG>SCREEN</STRONG> parameters, and call a us- - er-supplied function, passing it a <EM>data</EM> parameter, and returning the - value from the user-supplied function to the application. - - -</PRE><H3><a name="h3-USAGE">USAGE</a></H3><PRE> - All of the ncurses library functions assume that the locale is not al- - tered during operation. In addition, they use data which is maintained - within a hierarchy of scopes. - - <STRONG>o</STRONG> global data, e.g., used in the low-level terminfo or termcap in- - terfaces. - - <STRONG>o</STRONG> terminal data, e.g., associated with a call to <EM>set</EM><STRONG>_</STRONG><EM>curterm</EM>. The - terminal data are initialized when screens are created. - - <STRONG>o</STRONG> screen data, e.g., associated with a call to <EM>newterm</EM> or <EM>initscr</EM>. - - <STRONG>o</STRONG> window data, e.g., associated with a call to <EM>newwin</EM> or <EM>subwin</EM>. - Windows are associated with screens. Pads are not necessarily - associated with a particular screen. - - Most curses applications operate on one or more windows within a - single screen. - - <STRONG>o</STRONG> reentrant, i.e., it uses only the data passed as parameters. - - This table lists the scope of data used for each symbol in the ncurses - library when it is configured to support threading: - - Symbol Scope - ------------------------------------------------------------- - BC global - COLORS screen (readonly) - COLOR_PAIR reentrant - COLOR_PAIRS screen (readonly) - COLS screen (readonly) - ESCDELAY screen (readonly, see <EM>set</EM><STRONG>_</STRONG><EM>escdelay</EM>) - LINES screen (readonly) - PAIR_NUMBER reentrant - PC global - SP global - TABSIZE screen (readonly) - UP global - acs_map screen (readonly) - add_wch window (stdscr) - add_wchnstr window (stdscr) - add_wchstr window (stdscr) - addch window (stdscr) - addchnstr window (stdscr) - addchstr window (stdscr) - addnstr window (stdscr) - addnwstr window (stdscr) - addstr window (stdscr) - addwstr window (stdscr) - assume_default_colors screen - attr_get window (stdscr) - attr_off window (stdscr) - attr_on window (stdscr) - attr_set window (stdscr) - attroff window (stdscr) - attron window (stdscr) - attrset window (stdscr) - baudrate screen - beep screen - bkgd window (stdscr) - bkgdset window (stdscr) - bkgrnd window (stdscr) - bkgrndset window (stdscr) - boolcodes global (readonly) - boolfnames global (readonly) - boolnames global (readonly) - border window (stdscr) - border_set window (stdscr) - box window (stdscr) - box_set window (stdscr) - can_change_color terminal - cbreak screen - chgat window (stdscr) - clear window (stdscr) - clearok window - clrtobot window (stdscr) - clrtoeol window (stdscr) - color_content screen - - color_set window (stdscr) - copywin window locks(source, target) - cur_term terminal - curs_set screen - curscr screen (readonly) - curses_version global (readonly) - def_prog_mode terminal - def_shell_mode terminal - define_key screen - del_curterm screen - delay_output screen - delch window (stdscr) - deleteln window (stdscr) - delscreen global locks(screenlist, screen) - delwin global locks(windowlist) - derwin screen - doupdate screen - dupwin screen locks(window) - echo screen - echo_wchar window (stdscr) - echochar window (stdscr) - endwin screen - erase window (stdscr) - erasechar window (stdscr) - erasewchar window (stdscr) - filter global - flash terminal - flushinp screen - get_wch screen (input-operation) - get_wstr screen (input-operation) - getattrs window - getbegx window - getbegy window - getbkgd window - getbkgrnd window - getcchar reentrant - getch screen (input-operation) - getcurx window - getcury window - getmaxx window - getmaxy window - getmouse screen (input-operation) - getn_wstr screen (input-operation) - getnstr screen (input-operation) - getparx window - getpary window - getstr screen (input-operation) - getwin screen (input-operation) - halfdelay screen - has_colors terminal - has_ic terminal - has_il terminal - has_key screen - hline window (stdscr) - hline_set window (stdscr) - idcok window - idlok window - immedok window - in_wch window (stdscr) - in_wchnstr window (stdscr) - in_wchstr window (stdscr) - inch window (stdscr) - inchnstr window (stdscr) - inchstr window (stdscr) - init_color screen - init_pair screen - - initscr global locks(screenlist) - innstr window (stdscr) - innwstr window (stdscr) - ins_nwstr window (stdscr) - ins_wch window (stdscr) - ins_wstr window (stdscr) - insch window (stdscr) - insdelln window (stdscr) - insertln window (stdscr) - insnstr window (stdscr) - insstr window (stdscr) - instr window (stdscr) - intrflush terminal - inwstr window (stdscr) - is_cleared window - is_idcok window - is_idlok window - is_immedok window - is_keypad window - is_leaveok window - is_linetouched window - is_nodelay window - is_notimeout window - is_scrollok window - is_syncok window - is_term_resized terminal - is_wintouched window - isendwin screen - key_defined screen - key_name global (static data) - keybound screen - keyname global (static data) - keyok screen - keypad window - killchar terminal - killwchar terminal - leaveok window - longname screen - mcprint terminal - meta screen - mouse_trafo window (stdscr) - mouseinterval screen - mousemask screen - move window (stdscr) - mvadd_wch window (stdscr) - mvadd_wchnstr window (stdscr) - mvadd_wchstr window (stdscr) - mvaddch window (stdscr) - mvaddchnstr window (stdscr) - mvaddchstr window (stdscr) - mvaddnstr window (stdscr) - mvaddnwstr window (stdscr) - mvaddstr window (stdscr) - mvaddwstr window (stdscr) - mvchgat window (stdscr) - mvcur screen - mvdelch window (stdscr) - mvderwin window (stdscr) - mvget_wch screen (input-operation) - mvget_wstr screen (input-operation) - mvgetch screen (input-operation) - mvgetn_wstr screen (input-operation) - mvgetnstr screen (input-operation) - mvgetstr screen (input-operation) - mvhline window (stdscr) - mvhline_set window (stdscr) - - mvin_wch window (stdscr) - mvin_wchnstr window (stdscr) - mvin_wchstr window (stdscr) - mvinch window (stdscr) - mvinchnstr window (stdscr) - mvinchstr window (stdscr) - mvinnstr window (stdscr) - mvinnwstr window (stdscr) - mvins_nwstr window (stdscr) - mvins_wch window (stdscr) - mvins_wstr window (stdscr) - mvinsch window (stdscr) - mvinsnstr window (stdscr) - mvinsstr window (stdscr) - mvinstr window (stdscr) - mvinwstr window (stdscr) - mvprintw window (stdscr) - mvscanw screen - mvvline window (stdscr) - mvvline_set window (stdscr) - mvwadd_wch window - mvwadd_wchnstr window - mvwadd_wchstr window - mvwaddch window - mvwaddchnstr window - mvwaddchstr window - mvwaddnstr window - mvwaddnwstr window - mvwaddstr window - mvwaddwstr window - mvwchgat window - mvwdelch window - mvwget_wch screen (input-operation) - mvwget_wstr screen (input-operation) - mvwgetch screen (input-operation) - mvwgetn_wstr screen (input-operation) - mvwgetnstr screen (input-operation) - mvwgetstr screen (input-operation) - mvwhline window - mvwhline_set window - mvwin window - mvwin_wch window - mvwin_wchnstr window - mvwin_wchstr window - mvwinch window - mvwinchnstr window - mvwinchstr window - mvwinnstr window - mvwinnwstr window - mvwins_nwstr window - mvwins_wch window - mvwins_wstr window - mvwinsch window - mvwinsnstr window - mvwinsstr window - mvwinstr window - mvwinwstr window - mvwprintw window - mvwscanw screen - mvwvline window - mvwvline_set window - napms reentrant - newpad global locks(windowlist) - newscr screen (readonly) - newterm global locks(screenlist) - newwin global locks(windowlist) - - nl screen - nocbreak screen - nodelay window - noecho screen - nofilter global - nonl screen - noqiflush terminal - noraw screen - notimeout window - numcodes global (readonly) - numfnames global (readonly) - numnames global (readonly) - ospeed global - overlay window locks(source, target) - overwrite window locks(source, target) - pair_content screen - pecho_wchar screen - pechochar screen - pnoutrefresh screen - prefresh screen - printw window - putp global - putwin window - qiflush terminal - raw screen - redrawwin window - refresh screen - reset_prog_mode screen - reset_shell_mode screen - resetty terminal - resize_term screen locks(windowlist) - resizeterm screen - restartterm screen - ripoffline global (static data) - savetty terminal - scanw screen - scr_dump screen - scr_init screen - scr_restore screen - scr_set screen - scrl window (stdscr) - scroll window - scrollok window - set_curterm screen - set_escdelay screen - set_tabsize screen - set_term global locks(screenlist, screen) - setcchar reentrant - setscrreg window (stdscr) - setupterm global - slk_attr screen - slk_attr_off screen - slk_attr_on screen - slk_attr_set screen - slk_attroff screen - slk_attron screen - slk_attrset screen - slk_clear screen - slk_color screen - slk_init screen - slk_label screen - slk_noutrefresh screen - slk_refresh screen - slk_restore screen - slk_set screen - slk_touch screen - - slk_wset screen - standend window - standout window - start_color screen - stdscr screen (readonly) - strcodes global (readonly) - strfnames global (readonly) - strnames global (readonly) - subpad window - subwin window - syncok window - term_attrs screen - termattrs screen - termname terminal - tgetent global - tgetflag global - tgetnum global - tgetstr global - tgoto global - tigetflag terminal - tigetnum terminal - tigetstr terminal - timeout window (stdscr) - touchline window - touchwin window - tparm global (static data) - tputs screen - trace global (static data) - ttytype screen (readonly) - typeahead screen - unctrl screen - unget_wch screen (input-operation) - ungetch screen (input-operation) - ungetmouse screen (input-operation) - untouchwin window - use_default_colors screen - use_env global (static data) - use_extended_names global (static data) - use_legacy_coding screen - use_screen global locks(screenlist, screen) - use_window global locks(windowlist, window) - vid_attr screen - vid_puts screen - vidattr screen - vidputs screen - vline window (stdscr) - vline_set window (stdscr) - vw_printw window - vw_scanw screen - vwprintw window - vwscanw screen - wadd_wch window - wadd_wchnstr window - wadd_wchstr window - waddch window - waddchnstr window - waddchstr window - waddnstr window - waddnwstr window - waddstr window - waddwstr window - wattr_get window - wattr_off window - wattr_on window - wattr_set window - wattroff window - - wattron window - wattrset window - wbkgd window - wbkgdset window - wbkgrnd window - wbkgrndset window - wborder window - wborder_set window - wchgat window - wclear window - wclrtobot window - wclrtoeol window - wcolor_set window - wcursyncup screen (affects window plus parents) - wdelch window - wdeleteln window - wecho_wchar window - wechochar window - wenclose window - werase window - wget_wch screen (input-operation) - wget_wstr screen (input-operation) - wgetbkgrnd window - wgetch screen (input-operation) - wgetdelay window - wgetn_wstr screen (input-operation) - wgetnstr screen (input-operation) - wgetparent window - wgetscrreg window - wgetstr screen (input-operation) - whline window - whline_set window - win_wch window - win_wchnstr window - win_wchstr window - winch window - winchnstr window - winchstr window - winnstr window - winnwstr window - wins_nwstr window - wins_wch window - wins_wstr window - winsch window - winsdelln window - winsertln window - winsnstr window - winsstr window - winstr window - winwstr window - wmouse_trafo window - wmove window - wnoutrefresh screen - wprintw window - wredrawln window - wrefresh screen - wresize window locks(windowlist) - wscanw screen - wscrl window - wsetscrreg window - wstandend window - wstandout window - wsyncdown screen (affects window plus parents) - wsyncup screen (affects window plus parents) - wtimeout window - wtouchln window - - wunctrl global (static data) - wvline window - wvline_set window + The <EM>ncurses</EM> library can be configured to support multi-threaded + applications in a rudimentary way. Such configuration produces a + different set of libraries, named <EM>libncursest</EM>, for example, since doing + so alters <EM>ncurses</EM>'s application binary interface (ABI). + + Instead of modifying the programming interface (API) to make <EM>ncurses</EM> + functions expect an additional argument specifying a thread, the + library adds functions, usable in any configuration, that hide the + <EM>mutexes</EM> (mutual exclusion locks) needed to prevent concurrent access to + variables shared by multiple threads of execution. + + <EM>ncurses</EM> threading support requires the use of functions to access + members of the <EM>WINDOW</EM> structure (see <STRONG><A HREF="curs_opaque.3x.html">curs_opaque(3x)</A></STRONG>). It further + makes functions of the common global variables <STRONG>COLORS</STRONG>, <STRONG>COLOR_PAIRS</STRONG>, + <STRONG>COLS</STRONG>, <STRONG>ESCDELAY</STRONG>, <STRONG>LINES</STRONG>, <STRONG>TABSIZE</STRONG>, <STRONG>curscr</STRONG>, <STRONG>newscr</STRONG>, and <STRONG>ttytype</STRONG>, + maintaining them as as read-only values in the <EM>SCREEN</EM> structure. + + Even this is not enough to make an application using <EM>curses</EM> thread- + safe. We would expect a multi-threaded application to have threads + updating separate windows (on the same device), and separate screens + (on different devices). Further, applications expect a few of the + global variables to be writable. The functions described here address + these special situations. + + The <STRONG>ESCDELAY</STRONG> and <STRONG>TABSIZE</STRONG> global variables are modified by some + applications. To modify them in any configuration, use the + <STRONG>set_escdelay</STRONG> or <STRONG>set_tabsize</STRONG> functions. Other global variables are not + modifiable. <STRONG>get_escdelay</STRONG> retrieves <STRONG>ESCDELAY</STRONG>'s value. + + The <STRONG>use_window</STRONG> and <STRONG>use_screen</STRONG> functions provide coarse-grained mutexes + for their respective <EM>WINDOW</EM> and <EM>SCREEN</EM> parameters; they call a user- + supplied function, pass it a <EM>data</EM> parameter, and return the value from + the user-supplied function to the application. + + +</PRE><H3><a name="h3-Usage">Usage</a></H3><PRE> + All <EM>ncurses</EM> library functions assume that the locale is not altered + during operation. In addition, they use data that is maintained within + a hierarchy of scopes. + + <STRONG>o</STRONG> global data used in the low-level <EM>terminfo</EM> or <EM>termcap</EM> interfaces + + <STRONG>o</STRONG> terminal data associated with a call to <STRONG><A HREF="curs_terminfo.3x.html">set_curterm(3x)</A></STRONG> + + Terminal data are initialized when screens are created. + + <STRONG>o</STRONG> screen data associated with a call to <STRONG><A HREF="curs_initscr.3x.html">newterm(3x)</A></STRONG> or <STRONG><A HREF="curs_initscr.3x.html">initscr(3x)</A></STRONG> + + <STRONG>o</STRONG> window data associated with a call to <STRONG><A HREF="curs_window.3x.html">newwin(3x)</A></STRONG> or <STRONG><A HREF="subwin.3x.html">subwin(3x)</A></STRONG> + + Windows are associated with screens. Pads are not necessarily + associated with any particular screen. + + Most <EM>curses</EM> applications operate on one or more windows within a + single screen. + + <STRONG>o</STRONG> reentrant data associated with "pure" functions that alter no + shared variables + + The following table lists the scope of each symbol in the <EM>ncurses</EM> + library when configured to support multi-threaded applications. + + <STRONG>Symbol</STRONG> <STRONG>Scope</STRONG> + ------------------------------------------------------------------------ + <STRONG>BC</STRONG> global + <STRONG>COLORS</STRONG> screen (read-only) + <STRONG>COLOR_PAIR</STRONG> reentrant + <STRONG>COLOR_PAIRS</STRONG> screen (read-only) + <STRONG>COLS</STRONG> screen (read-only) + <STRONG>ESCDELAY</STRONG> screen (read-only; see <STRONG>set_escdelay</STRONG>) + <STRONG>LINES</STRONG> screen (read-only) + <STRONG>PAIR_NUMBER</STRONG> reentrant + <STRONG>PC</STRONG> global + <STRONG>SP</STRONG> global + <STRONG>TABSIZE</STRONG> screen (read-only; see <STRONG>set_tabsize</STRONG>) + <STRONG>UP</STRONG> global + <STRONG>acs_map</STRONG> screen (read-only) + <STRONG>add_wch</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>add_wchnstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>add_wchstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>addch</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>addchnstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>addchstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>addnstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>addnwstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>addstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>addwstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>assume_default_colors</STRONG> screen + <STRONG>attr_get</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>attr_off</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>attr_on</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>attr_set</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>attroff</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>attron</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>attrset</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>baudrate</STRONG> screen + <STRONG>beep</STRONG> screen + <STRONG>bkgd</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>bkgdset</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>bkgrnd</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>bkgrndset</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>boolcodes</STRONG> global (read-only) + <STRONG>boolfnames</STRONG> global (read-only) + <STRONG>boolnames</STRONG> global (read-only) + <STRONG>border</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>border_set</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>box</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>box_set</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>can_change_color</STRONG> terminal + <STRONG>cbreak</STRONG> screen + + <STRONG>chgat</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>clear</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>clearok</STRONG> window + <STRONG>clrtobot</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>clrtoeol</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>color_content</STRONG> screen + <STRONG>color_set</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>copywin</STRONG> window (locks source, target) + <STRONG>cur_term</STRONG> terminal + <STRONG>curs_set</STRONG> screen + <STRONG>curscr</STRONG> screen (read-only) + <STRONG>curses_version</STRONG> global (read-only) + <STRONG>def_prog_mode</STRONG> terminal + <STRONG>def_shell_mode</STRONG> terminal + <STRONG>define_key</STRONG> screen + <STRONG>del_curterm</STRONG> screen + <STRONG>delay_output</STRONG> screen + <STRONG>delch</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>deleteln</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>delscreen</STRONG> global (locks screen list, screen) + <STRONG>delwin</STRONG> global (locks window list) + <STRONG>derwin</STRONG> screen + <STRONG>doupdate</STRONG> screen + <STRONG>dupwin</STRONG> screen (locks window) + <STRONG>echo</STRONG> screen + <STRONG>echo_wchar</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>echochar</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>endwin</STRONG> screen + <STRONG>erase</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>erasechar</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>erasewchar</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>filter</STRONG> global + <STRONG>flash</STRONG> terminal + <STRONG>flushinp</STRONG> screen + <STRONG>get_wch</STRONG> screen (input operation) + <STRONG>get_wstr</STRONG> screen (input operation) + <STRONG>getattrs</STRONG> window + <STRONG>getbegx</STRONG> window + <STRONG>getbegy</STRONG> window + <STRONG>getbkgd</STRONG> window + <STRONG>getbkgrnd</STRONG> window + <STRONG>getcchar</STRONG> reentrant + <STRONG>getch</STRONG> screen (input operation) + <STRONG>getcurx</STRONG> window + <STRONG>getcury</STRONG> window + <STRONG>getmaxx</STRONG> window + <STRONG>getmaxy</STRONG> window + <STRONG>getmouse</STRONG> screen (input operation) + <STRONG>getn_wstr</STRONG> screen (input operation) + <STRONG>getnstr</STRONG> screen (input operation) + <STRONG>getparx</STRONG> window + <STRONG>getpary</STRONG> window + <STRONG>getstr</STRONG> screen (input operation) + <STRONG>getwin</STRONG> screen (input operation) + <STRONG>halfdelay</STRONG> screen + <STRONG>has_colors</STRONG> terminal + <STRONG>has_ic</STRONG> terminal + <STRONG>has_il</STRONG> terminal + <STRONG>has_key</STRONG> screen + <STRONG>hline</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>hline_set</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>idcok</STRONG> window + <STRONG>idlok</STRONG> window + <STRONG>immedok</STRONG> window + <STRONG>in_wch</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>in_wchnstr</STRONG> window (<STRONG>stdscr</STRONG>) + + <STRONG>in_wchstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>inch</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>inchnstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>inchstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>init_color</STRONG> screen + <STRONG>init_pair</STRONG> screen + <STRONG>initscr</STRONG> global (locks screen list) + <STRONG>innstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>innwstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>ins_nwstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>ins_wch</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>ins_wstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>insch</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>insdelln</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>insertln</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>insnstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>insstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>instr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>intrflush</STRONG> terminal + <STRONG>inwstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>is_cleared</STRONG> window + <STRONG>is_idcok</STRONG> window + <STRONG>is_idlok</STRONG> window + <STRONG>is_immedok</STRONG> window + <STRONG>is_keypad</STRONG> window + <STRONG>is_leaveok</STRONG> window + <STRONG>is_linetouched</STRONG> window + <STRONG>is_nodelay</STRONG> window + <STRONG>is_notimeout</STRONG> window + <STRONG>is_scrollok</STRONG> window + <STRONG>is_syncok</STRONG> window + <STRONG>is_term_resized</STRONG> terminal + <STRONG>is_wintouched</STRONG> window + <STRONG>isendwin</STRONG> screen + <STRONG>key_defined</STRONG> screen + <STRONG>key_name</STRONG> global (static data) + <STRONG>keybound</STRONG> screen + <STRONG>keyname</STRONG> global (static data) + <STRONG>keyok</STRONG> screen + <STRONG>keypad</STRONG> window + <STRONG>killchar</STRONG> terminal + <STRONG>killwchar</STRONG> terminal + <STRONG>leaveok</STRONG> window + <STRONG>longname</STRONG> screen + <STRONG>mcprint</STRONG> terminal + <STRONG>meta</STRONG> screen + <STRONG>mouse_trafo</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>mouseinterval</STRONG> screen + <STRONG>mousemask</STRONG> screen + <STRONG>move</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>mvadd_wch</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>mvadd_wchnstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>mvadd_wchstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>mvaddch</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>mvaddchnstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>mvaddchstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>mvaddnstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>mvaddnwstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>mvaddstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>mvaddwstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>mvchgat</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>mvcur</STRONG> screen + <STRONG>mvdelch</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>mvderwin</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>mvget_wch</STRONG> screen (input operation) + <STRONG>mvget_wstr</STRONG> screen (input operation) + + <STRONG>mvgetch</STRONG> screen (input operation) + <STRONG>mvgetn_wstr</STRONG> screen (input operation) + <STRONG>mvgetnstr</STRONG> screen (input operation) + <STRONG>mvgetstr</STRONG> screen (input operation) + <STRONG>mvhline</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>mvhline_set</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>mvin_wch</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>mvin_wchnstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>mvin_wchstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>mvinch</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>mvinchnstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>mvinchstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>mvinnstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>mvinnwstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>mvins_nwstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>mvins_wch</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>mvins_wstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>mvinsch</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>mvinsnstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>mvinsstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>mvinstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>mvinwstr</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>mvprintw</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>mvscanw</STRONG> screen + <STRONG>mvvline</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>mvvline_set</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>mvwadd_wch</STRONG> window + <STRONG>mvwadd_wchnstr</STRONG> window + <STRONG>mvwadd_wchstr</STRONG> window + <STRONG>mvwaddch</STRONG> window + <STRONG>mvwaddchnstr</STRONG> window + <STRONG>mvwaddchstr</STRONG> window + <STRONG>mvwaddnstr</STRONG> window + <STRONG>mvwaddnwstr</STRONG> window + <STRONG>mvwaddstr</STRONG> window + <STRONG>mvwaddwstr</STRONG> window + <STRONG>mvwchgat</STRONG> window + <STRONG>mvwdelch</STRONG> window + <STRONG>mvwget_wch</STRONG> screen (input operation) + <STRONG>mvwget_wstr</STRONG> screen (input operation) + <STRONG>mvwgetch</STRONG> screen (input operation) + <STRONG>mvwgetn_wstr</STRONG> screen (input operation) + <STRONG>mvwgetnstr</STRONG> screen (input operation) + <STRONG>mvwgetstr</STRONG> screen (input operation) + <STRONG>mvwhline</STRONG> window + <STRONG>mvwhline_set</STRONG> window + <STRONG>mvwin</STRONG> window + <STRONG>mvwin_wch</STRONG> window + <STRONG>mvwin_wchnstr</STRONG> window + <STRONG>mvwin_wchstr</STRONG> window + <STRONG>mvwinch</STRONG> window + <STRONG>mvwinchnstr</STRONG> window + <STRONG>mvwinchstr</STRONG> window + <STRONG>mvwinnstr</STRONG> window + <STRONG>mvwinnwstr</STRONG> window + <STRONG>mvwins_nwstr</STRONG> window + <STRONG>mvwins_wch</STRONG> window + <STRONG>mvwins_wstr</STRONG> window + <STRONG>mvwinsch</STRONG> window + <STRONG>mvwinsnstr</STRONG> window + <STRONG>mvwinsstr</STRONG> window + <STRONG>mvwinstr</STRONG> window + <STRONG>mvwinwstr</STRONG> window + <STRONG>mvwprintw</STRONG> window + <STRONG>mvwscanw</STRONG> screen + <STRONG>mvwvline</STRONG> window + + <STRONG>mvwvline_set</STRONG> window + <STRONG>napms</STRONG> reentrant + <STRONG>newpad</STRONG> global (locks window list) + <STRONG>newscr</STRONG> screen (read-only) + <STRONG>newterm</STRONG> global (locks screen list) + <STRONG>newwin</STRONG> global (locks window list) + <STRONG>nl</STRONG> screen + <STRONG>nocbreak</STRONG> screen + <STRONG>nodelay</STRONG> window + <STRONG>noecho</STRONG> screen + <STRONG>nofilter</STRONG> global + <STRONG>nonl</STRONG> screen + <STRONG>noqiflush</STRONG> terminal + <STRONG>noraw</STRONG> screen + <STRONG>notimeout</STRONG> window + <STRONG>numcodes</STRONG> global (read-only) + <STRONG>numfnames</STRONG> global (read-only) + <STRONG>numnames</STRONG> global (read-only) + <STRONG>ospeed</STRONG> global + <STRONG>overlay</STRONG> window (locks source, target) + <STRONG>overwrite</STRONG> window (locks source, target) + <STRONG>pair_content</STRONG> screen + <STRONG>pecho_wchar</STRONG> screen + <STRONG>pechochar</STRONG> screen + <STRONG>pnoutrefresh</STRONG> screen + <STRONG>prefresh</STRONG> screen + <STRONG>printw</STRONG> window + <STRONG>putp</STRONG> global + <STRONG>putwin</STRONG> window + <STRONG>qiflush</STRONG> terminal + <STRONG>raw</STRONG> screen + <STRONG>redrawwin</STRONG> window + <STRONG>refresh</STRONG> screen + <STRONG>reset_prog_mode</STRONG> screen + <STRONG>reset_shell_mode</STRONG> screen + <STRONG>resetty</STRONG> terminal + <STRONG>resize_term</STRONG> screen (locks window list) + <STRONG>resizeterm</STRONG> screen + <STRONG>restartterm</STRONG> screen + <STRONG>ripoffline</STRONG> global (static data) + <STRONG>savetty</STRONG> terminal + <STRONG>scanw</STRONG> screen + <STRONG>scr_dump</STRONG> screen + <STRONG>scr_init</STRONG> screen + <STRONG>scr_restore</STRONG> screen + <STRONG>scr_set</STRONG> screen + <STRONG>scrl</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>scroll</STRONG> window + <STRONG>scrollok</STRONG> window + <STRONG>set_curterm</STRONG> screen + <STRONG>set_escdelay</STRONG> screen + <STRONG>set_tabsize</STRONG> screen + <STRONG>set_term</STRONG> global (locks screen list, screen) + <STRONG>setcchar</STRONG> reentrant + <STRONG>setscrreg</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>setupterm</STRONG> global + <STRONG>slk_attr</STRONG> screen + <STRONG>slk_attr_off</STRONG> screen + <STRONG>slk_attr_on</STRONG> screen + <STRONG>slk_attr_set</STRONG> screen + <STRONG>slk_attroff</STRONG> screen + <STRONG>slk_attron</STRONG> screen + <STRONG>slk_attrset</STRONG> screen + <STRONG>slk_clear</STRONG> screen + <STRONG>slk_color</STRONG> screen + <STRONG>slk_init</STRONG> screen + + <STRONG>slk_label</STRONG> screen + <STRONG>slk_noutrefresh</STRONG> screen + <STRONG>slk_refresh</STRONG> screen + <STRONG>slk_restore</STRONG> screen + <STRONG>slk_set</STRONG> screen + <STRONG>slk_touch</STRONG> screen + <STRONG>slk_wset</STRONG> screen + <STRONG>standend</STRONG> window + <STRONG>standout</STRONG> window + <STRONG>start_color</STRONG> screen + <STRONG>stdscr</STRONG> screen (read-only) + <STRONG>strcodes</STRONG> global (read-only) + <STRONG>strfnames</STRONG> global (read-only) + <STRONG>strnames</STRONG> global (read-only) + <STRONG>subpad</STRONG> window + <STRONG>subwin</STRONG> window + <STRONG>syncok</STRONG> window + <STRONG>term_attrs</STRONG> screen + <STRONG>termattrs</STRONG> screen + <STRONG>termname</STRONG> terminal + <STRONG>tgetent</STRONG> global + <STRONG>tgetflag</STRONG> global + <STRONG>tgetnum</STRONG> global + <STRONG>tgetstr</STRONG> global + <STRONG>tgoto</STRONG> global + <STRONG>tigetflag</STRONG> terminal + <STRONG>tigetnum</STRONG> terminal + <STRONG>tigetstr</STRONG> terminal + <STRONG>timeout</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>touchline</STRONG> window + <STRONG>touchwin</STRONG> window + <STRONG>tparm</STRONG> global (static data) + <STRONG>tputs</STRONG> screen + <STRONG>trace</STRONG> global (static data) + <STRONG>ttytype</STRONG> screen (read-only) + <STRONG>typeahead</STRONG> screen + <STRONG>unctrl</STRONG> screen + <STRONG>unget_wch</STRONG> screen (input operation) + <STRONG>ungetch</STRONG> screen (input operation) + <STRONG>ungetmouse</STRONG> screen (input operation) + <STRONG>untouchwin</STRONG> window + <STRONG>use_default_colors</STRONG> screen + <STRONG>use_env</STRONG> global (static data) + <STRONG>use_extended_names</STRONG> global (static data) + <STRONG>use_legacy_coding</STRONG> screen + <STRONG>use_screen</STRONG> global (locks screen list, screen) + <STRONG>use_window</STRONG> global (locks window list, window) + <STRONG>vid_attr</STRONG> screen + <STRONG>vid_puts</STRONG> screen + <STRONG>vidattr</STRONG> screen + <STRONG>vidputs</STRONG> screen + <STRONG>vline</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>vline_set</STRONG> window (<STRONG>stdscr</STRONG>) + <STRONG>vw_printw</STRONG> window + <STRONG>vw_scanw</STRONG> screen + <STRONG>vwprintw</STRONG> window + <STRONG>vwscanw</STRONG> screen + <STRONG>wadd_wch</STRONG> window + <STRONG>wadd_wchnstr</STRONG> window + <STRONG>wadd_wchstr</STRONG> window + <STRONG>waddch</STRONG> window + <STRONG>waddchnstr</STRONG> window + <STRONG>waddchstr</STRONG> window + <STRONG>waddnstr</STRONG> window + <STRONG>waddnwstr</STRONG> window + <STRONG>waddstr</STRONG> window + + <STRONG>waddwstr</STRONG> window + <STRONG>wattr_get</STRONG> window + <STRONG>wattr_off</STRONG> window + <STRONG>wattr_on</STRONG> window + <STRONG>wattr_set</STRONG> window + <STRONG>wattroff</STRONG> window + <STRONG>wattron</STRONG> window + <STRONG>wattrset</STRONG> window + <STRONG>wbkgd</STRONG> window + <STRONG>wbkgdset</STRONG> window + <STRONG>wbkgrnd</STRONG> window + <STRONG>wbkgrndset</STRONG> window + <STRONG>wborder</STRONG> window + <STRONG>wborder_set</STRONG> window + <STRONG>wchgat</STRONG> window + <STRONG>wclear</STRONG> window + <STRONG>wclrtobot</STRONG> window + <STRONG>wclrtoeol</STRONG> window + <STRONG>wcolor_set</STRONG> window + <STRONG>wcursyncup</STRONG> screen (affects window plus parents) + <STRONG>wdelch</STRONG> window + <STRONG>wdeleteln</STRONG> window + <STRONG>wecho_wchar</STRONG> window + <STRONG>wechochar</STRONG> window + <STRONG>wenclose</STRONG> window + <STRONG>werase</STRONG> window + <STRONG>wget_wch</STRONG> screen (input operation) + <STRONG>wget_wstr</STRONG> screen (input operation) + <STRONG>wgetbkgrnd</STRONG> window + <STRONG>wgetch</STRONG> screen (input operation) + <STRONG>wgetdelay</STRONG> window + <STRONG>wgetn_wstr</STRONG> screen (input operation) + <STRONG>wgetnstr</STRONG> screen (input operation) + <STRONG>wgetparent</STRONG> window + <STRONG>wgetscrreg</STRONG> window + <STRONG>wgetstr</STRONG> screen (input operation) + <STRONG>whline</STRONG> window + <STRONG>whline_set</STRONG> window + <STRONG>win_wch</STRONG> window + <STRONG>win_wchnstr</STRONG> window + <STRONG>win_wchstr</STRONG> window + <STRONG>winch</STRONG> window + <STRONG>winchnstr</STRONG> window + <STRONG>winchstr</STRONG> window + <STRONG>winnstr</STRONG> window + <STRONG>winnwstr</STRONG> window + <STRONG>wins_nwstr</STRONG> window + <STRONG>wins_wch</STRONG> window + <STRONG>wins_wstr</STRONG> window + <STRONG>winsch</STRONG> window + <STRONG>winsdelln</STRONG> window + <STRONG>winsertln</STRONG> window + <STRONG>winsnstr</STRONG> window + <STRONG>winsstr</STRONG> window + <STRONG>winstr</STRONG> window + <STRONG>winwstr</STRONG> window + <STRONG>wmouse_trafo</STRONG> window + <STRONG>wmove</STRONG> window + <STRONG>wnoutrefresh</STRONG> screen + <STRONG>wprintw</STRONG> window + <STRONG>wredrawln</STRONG> window + <STRONG>wrefresh</STRONG> screen + <STRONG>wresize</STRONG> window (locks window list) + <STRONG>wscanw</STRONG> screen + <STRONG>wscrl</STRONG> window + <STRONG>wsetscrreg</STRONG> window + + <STRONG>wstandend</STRONG> window + <STRONG>wstandout</STRONG> window + <STRONG>wsyncdown</STRONG> screen (affects window plus parents) + <STRONG>wsyncup</STRONG> screen (affects window plus parents) + <STRONG>wtimeout</STRONG> window + <STRONG>wtouchln</STRONG> window + <STRONG>wunctrl</STRONG> global (static data) + <STRONG>wvline</STRONG> window + <STRONG>wvline_set</STRONG> window </PRE><H2><a name="h2-RETURN-VALUE">RETURN VALUE</a></H2><PRE> - These functions all return <STRONG>TRUE</STRONG> or <STRONG>FALSE</STRONG>, except as noted. + <STRONG>get_escdelay</STRONG> returns the value of <STRONG>ESCDELAY</STRONG>. <STRONG>set_escdelay</STRONG> and + <STRONG>set_tabsize</STRONG> return <STRONG>ERR</STRONG> upon failure and <STRONG>OK</STRONG> upon successful completion. + <STRONG>use_screen</STRONG> and <STRONG>use_window</STRONG> return the <EM>int</EM> returned by the user-supplied + function they are called with. </PRE><H2><a name="h2-NOTES">NOTES</a></H2><PRE> - Both a macro and a function are provided for each name. + <EM>ncurses</EM> provides both a C function and a preprocessor macro for each + function documented in this page. </PRE><H2><a name="h2-PORTABILITY">PORTABILITY</a></H2><PRE> - These routines are specific to ncurses. They were not supported on + These routines are specific to <EM>ncurses</EM>. They were not supported on Version 7, BSD or System V implementations. It is recommended that any - code depending on ncurses extensions be conditioned using NCURSES_VER- - SION. + code depending on <EM>ncurses</EM> extensions be conditioned using + <STRONG>NCURSES_VERSION</STRONG>. </PRE><H2><a name="h2-SEE-ALSO">SEE ALSO</a></H2><PRE> - <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG><A HREF="curs_opaque.3x.html">curs_opaque(3x)</A></STRONG>, <STRONG><A HREF="curs_variables.3x.html">curs_variables(3x)</A></STRONG>. + <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG><A HREF="curs_opaque.3x.html">curs_opaque(3x)</A></STRONG>, <STRONG><A HREF="curs_variables.3x.html">curs_variables(3x)</A></STRONG> - <STRONG><A HREF="curs_threads.3x.html">curs_threads(3x)</A></STRONG> +ncurses 6.5 2024-03-16 <STRONG><A HREF="curs_threads.3x.html">curs_threads(3x)</A></STRONG> </PRE> <div class="nav"> <ul> @@ -616,7 +625,7 @@ <li><a href="#h2-SYNOPSIS">SYNOPSIS</a></li> <li><a href="#h2-DESCRIPTION">DESCRIPTION</a> <ul> -<li><a href="#h3-USAGE">USAGE</a></li> +<li><a href="#h3-Usage">Usage</a></li> </ul> </li> <li><a href="#h2-RETURN-VALUE">RETURN VALUE</a></li> |