ncurses 5.9 - patch 20131221
[ncurses.git] / doc / html / man / curs_printw.3x.html
index 95424b3a430e26faa327e027a78346e8bf882a51..90b9f498d64d93cec56e85b915e2fd5a007ea2c3 100644 (file)
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+  * @Id: curs_printw.3x,v 1.20 2010/12/04 18:40:45 tom Exp @
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 <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>
-       <B>printw</B>,  <B>wprintw</B>, <B>mvprintw</B>, <B>mvwprintw</B>, <B>vwprintw</B>, <B>vw_printw</B>
-       - print formatted output in <B>curses</B> windows
+       <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>
-       <B>#include</B> <B>&lt;curses.h&gt;</B>
-
-       <B>int</B> <B>printw(char</B> <B>*fmt</B> [<B>,</B> <B>arg</B>] <B>...);</B>
-       <B>int</B> <B>wprintw(WINDOW</B> <B>*win,</B> <B>char</B> <B>*fmt</B> [<B>,</B> <B>arg</B>] <B>...);</B>
-       <B>int</B> <B>mvprintw(int</B> <B>y,</B> <B>int</B> <B>x,</B> <B>char</B> <B>*fmt</B> [<B>,</B> <B>arg</B>] <B>...);</B>
-       <B>int</B> <B>mvwprintw(WINDOW</B> <B>*win,</B> <B>int</B> <B>y,</B> <B>int</B> <B>x,</B>
-             <B>char</B> <B>*fmt</B> [<B>,</B> <B>arg]</B> ...);
+       <STRONG>#include</STRONG> <STRONG>&lt;curses.h&gt;</STRONG>
 
-       <B>#include</B> <B>&lt;varargs.h&gt;</B>
-       <B>int</B> <B>vwprintw(WINDOW</B> <B>*win,</B> <B>char</B> <B>*fmt,</B> <B>varglist);</B>
-       <B>int</B> <B>vw_printw(WINDOW</B> <B>*win,</B> <B>char</B> <B>*fmt,</B> <B>varglist);</B>
+       <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 <B>printw</B>, <B>wprintw</B>, <B>mvprintw</B> and <B>mvwprintw</B>  routines  are
-       analogous  to  <B>printf</B>  [see  <B><A HREF="printf.3S.html">printf(3S)</A></B>].   In effect, the
-       string that would be output by <B>printf</B> is output instead as
-       though <B>waddstr</B> were used on the given window.
+       The  <STRONG>printw</STRONG>,  <STRONG>wprintw</STRONG>, <STRONG>mvprintw</STRONG> and <STRONG>mvwprintw</STRONG> routines are
+       analogous to  <STRONG>printf</STRONG>  [see  <STRONG>printf(3)</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   <B>vwprintw</B>   routine  is  analogous  to  <B>vprintf</B>  [see
-       <B><A HREF="printf.3S.html">printf(3S)</A></B>] and performs a <B>wprintw</B> using a variable  argu-
-       ment  list.  The third argument is a <B>va_list</B>, a pointer to
-       a list of arguments, as defined in <B>&lt;varargs.h&gt;</B>.
+       The <STRONG>vwprintw</STRONG>  and  <STRONG>wv_printw</STRONG>  routines  are  analogous  to
+       <STRONG>vprintf</STRONG>  [see  <STRONG>printf(3)</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>&lt;stdarg.h&gt;</STRONG>.
 
 
 </PRE>
 <H2>RETURN VALUE</H2><PRE>
-       Routines that return an integer return  <B>ERR</B>  upon  failure
-       and  <B>OK</B>  (SVr4 only specifies "an integer value other than
-       <B>ERR</B>") upon successful completion.
+       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.
+
+       Functions  with a "mv" prefix first perform a cursor move-
+       ment using <STRONG>wmove</STRONG>, and return an error if the  position  is
+       outside the window, or if the window pointer is null.
 
 
 </PRE>
 <H2>PORTABILITY</H2><PRE>
-       The XSI Curses standard, Issue  4  describes  these  func-
-       tions.   The  function <B>vwprintw</B> is marked TO BE WITHDRAWN,
-       and is to be replaced by a function  <B>vw_printw</B>  using  the
-       <B>&lt;stdarg.h&gt;</B> interface.
+       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>&lt;stdarg.h&gt;</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>&lt;varargs.h&gt;</STRONG>,  which
+       cannot  be  used in the same file as <STRONG>&lt;stdarg.h&gt;</STRONG>.  This im-
+       plementation uses <STRONG>&lt;stdarg.h&gt;</STRONG> for both, because that header
+       is included in <STRONG>&lt;curses.h</STRONG>&gt;.
 
 
 </PRE>
 <H2>SEE ALSO</H2><PRE>
-       <B><A HREF="ncurses.3x.html">curses(3x)</A></B>, <B><A HREF="printf.3S.html">printf(3S)</A></B>, <B>vprintf(3S)</B>
-
-
-
-
-
-
-
-
-
-
+       <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG>printf(3)</STRONG>, <STRONG>vprintf(3)</STRONG>
 
 
 
+                                                        <STRONG><A HREF="curs_printw.3x.html">curs_printw(3x)</A></STRONG>
 </PRE>
 <HR>
 <ADDRESS>