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<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"><!-- **************************************************************************** * Copyright (c) 1998-2002,2005 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 * * "Software"), to deal in the Software without restriction, including * * without limitation the rights to use, copy, modify, merge, publish, * * distribute, distribute with modifications, sublicense, and/or sell * * copies of the Software, and to permit persons to whom the Software is * * furnished to do so, subject to the following conditions: * * * * The above copyright notice and this permission notice shall be included * * in all copies or substantial portions of the Software. * * * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * * * * Except as contained in this notice, the name(s) of the above copyright * * holders shall not be used in advertising or otherwise to promote the * * sale, use or other dealings in this Software without prior written * * authorization. * **************************************************************************** * @Id: curs_printw.3x,v 1.15 2005/05/15 16:55:16 tom Exp @--><HTML><HEAD><TITLE>curs_printw 3x</TITLE><link rev=made href="mailto:bug-ncurses@gnu.org"><meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"></HEAD><BODY><H1>curs_printw 3x</H1><HR><PRE><!-- Manpage converted by man2html 3.0.1 --><STRONG><A HREF="curs_printw.3x.html">curs_printw(3x)</A></STRONG> <STRONG><A HREF="curs_printw.3x.html">curs_printw(3x)</A></STRONG></PRE><H2>NAME</H2><PRE> <STRONG>printw</STRONG>, <STRONG>wprintw</STRONG>, <STRONG>mvprintw</STRONG>, <STRONG>mvwprintw</STRONG>, <STRONG>vwprintw</STRONG>, <STRONG>vw_printw</STRONG> - print formatted output in <STRONG>curses</STRONG> windows</PRE><H2>SYNOPSIS</H2><PRE> <STRONG>#include</STRONG> <STRONG><curses.h></STRONG> <STRONG>int</STRONG> <STRONG>printw(const</STRONG> <STRONG>char</STRONG> <STRONG>*fmt,</STRONG> <STRONG>...);</STRONG> <STRONG>int</STRONG> <STRONG>wprintw(WINDOW</STRONG> <STRONG>*win,</STRONG> <STRONG>const</STRONG> <STRONG>char</STRONG> <STRONG>*fmt,</STRONG> <STRONG>...);</STRONG> <STRONG>int</STRONG> <STRONG>mvprintw(int</STRONG> <STRONG>y,</STRONG> <STRONG>int</STRONG> <STRONG>x,</STRONG> <STRONG>const</STRONG> <STRONG>char</STRONG> <STRONG>*fmt,</STRONG> <STRONG>...);</STRONG> <STRONG>int</STRONG> <STRONG>mvwprintw(WINDOW</STRONG> <STRONG>*win,</STRONG> <STRONG>int</STRONG> <STRONG>y,</STRONG> <STRONG>int</STRONG> <STRONG>x,</STRONG> <STRONG>const</STRONG> <STRONG>char</STRONG> <STRONG>*fmt,</STRONG> <STRONG>...);</STRONG> <STRONG>int</STRONG> <STRONG>vwprintw(WINDOW</STRONG> <STRONG>*win,</STRONG> <STRONG>const</STRONG> <STRONG>char</STRONG> <STRONG>*fmt,</STRONG> <STRONG>va_list</STRONG> <STRONG>var-</STRONG> <STRONG>glist);</STRONG> <STRONG>int</STRONG> <STRONG>vw_printw(WINDOW</STRONG> <STRONG>*win,</STRONG> <STRONG>const</STRONG> <STRONG>char</STRONG> <STRONG>*fmt,</STRONG> <STRONG>va_list</STRONG> <STRONG>var-</STRONG> <STRONG>glist);</STRONG></PRE><H2>DESCRIPTION</H2><PRE> The <STRONG>printw</STRONG>, <STRONG>wprintw</STRONG>, <STRONG>mvprintw</STRONG> and <STRONG>mvwprintw</STRONG> routines are analogous to <STRONG>printf</STRONG> [see <STRONG><A HREF="printf.3S.html">printf(3S)</A></STRONG>]. In effect, the string that would be output by <STRONG>printf</STRONG> is output instead as though <STRONG>waddstr</STRONG> were used on the given window. The <STRONG>vwprintw</STRONG> and <STRONG>wv_printw</STRONG> routines are analogous to <STRONG>vprintf</STRONG> [see <STRONG><A HREF="printf.3S.html">printf(3S)</A></STRONG>] and perform a <STRONG>wprintw</STRONG> using a variable argument list. The third argument is a <STRONG>va_list</STRONG>, a pointer to a list of arguments, as defined in <STRONG><stdarg.h></STRONG>.</PRE><H2>RETURN VALUE</H2><PRE> Routines that return an integer return <STRONG>ERR</STRONG> upon failure and <STRONG>OK</STRONG> (SVr4 only specifies "an integer value other than <STRONG>ERR</STRONG>") upon successful completion. X/Open defines no error conditions. In this implementa- tion, an error may be returned if it cannot allocate enough memory for the buffer used to format the results. It will return an error if the window pointer is null.</PRE><H2>PORTABILITY</H2><PRE> The XSI Curses standard, Issue 4 describes these func- tions. The function <STRONG>vwprintw</STRONG> is marked TO BE WITHDRAWN, and is to be replaced by a function <STRONG>vw_printw</STRONG> using the <STRONG><stdarg.h></STRONG> interface. The Single Unix Specification, Ver- sion 2 states that <STRONG>vw_printw</STRONG> is preferred to <STRONG>vwprintw</STRONG> since the latter requires including <STRONG><varargs.h></STRONG>, which cannot be used in the same file as <STRONG><stdarg.h></STRONG>. This im- plementation uses <STRONG><stdarg.h></STRONG> for both, because that header is included in <STRONG><curses.h</STRONG>>.</PRE><H2>SEE ALSO</H2><PRE> <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG><A HREF="printf.3S.html">printf(3S)</A></STRONG>, <STRONG>vprintf(3S)</STRONG> <STRONG><A HREF="curs_printw.3x.html">curs_printw(3x)</A></STRONG></PRE><HR><ADDRESS>Man(1) output converted with<a href="http://www.oac.uci.edu/indiv/ehood/man2html.html">man2html</a></ADDRESS></BODY></HTML>⌨️ 快捷键说明
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