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VFWPRINTF(3P)			    POSIX Programmer's Manual			    VFWPRINTF(3P)

PROLOG
       This  manual  page  is part of the POSIX Programmer's Manual.  The Linux implementation of
       this interface may differ (consult the corresponding Linux  manual  page  for  details  of
       Linux behavior), or the interface may not be implemented on Linux.

NAME
       vfwprintf, vswprintf, vwprintf - wide-character formatted output of a stdarg argument list

SYNOPSIS
       #include <stdarg.h>
       #include <stdio.h>
       #include <wchar.h>

       int vfwprintf(FILE *restrict stream, const wchar_t *restrict format,
	      va_list arg);
       int vswprintf(wchar_t *restrict ws, size_t n,
	      const wchar_t *restrict format, va_list arg);
       int vwprintf(const wchar_t *restrict format, va_list arg);

DESCRIPTION
       The  vfwprintf(), vswprintf(), and vwprintf() functions shall be equivalent to fwprintf(),
       swprintf(), and wprintf() respectively, except that instead of being called with  a  vari-
       able number of arguments, they are called with an argument list as defined by <stdarg.h>.

       These  functions  shall not invoke the va_end macro. However, as these functions do invoke
       the va_arg macro, the value of ap after the return is unspecified.

RETURN VALUE
       Refer to fwprintf().

ERRORS
       Refer to fwprintf().

       The following sections are informative.

EXAMPLES
       None.

APPLICATION USAGE
       Applications using these functions should call va_end(ap) afterwards to clean up.

RATIONALE
       None.

FUTURE DIRECTIONS
       None.

SEE ALSO
       fwprintf(), the Base Definitions volume of  IEEE Std 1003.1-2001,  <stdarg.h>,  <stdio.h>,
       <wchar.h>

COPYRIGHT
       Portions  of  this  text  are  reprinted  and  reproduced in electronic form from IEEE Std
       1003.1, 2003 Edition, Standard for Information Technology  --  Portable	Operating  System
       Interface  (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003 by
       the Institute of Electrical and Electronics Engineers, Inc and  The  Open  Group.  In  the
       event  of  any  discrepancy  between this version and the original IEEE and The Open Group
       Standard, the original IEEE and The Open Group Standard is the referee document. The orig-
       inal Standard can be obtained online at http://www.opengroup.org/unix/online.html .

IEEE/The Open Group			       2003				    VFWPRINTF(3P)
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