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| <TITLE>curs_printw 3x</TITLE> |
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| <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.3.html">printf(3)</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.3.html">printf(3)</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.3.html">printf(3)</A></STRONG>, <STRONG>vprintf(3)</STRONG> |
| |
| |
| |
| <STRONG><A HREF="curs_printw.3x.html">curs_printw(3x)</A></STRONG> |
| </PRE> |
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