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/***
*vwprintf.c - wprintf from a var args pointer
*
* Copyright (c) 1985-1992, Microsoft Corporation. All rights reserved.
*
*Purpose:
* defines vwprintf() - print formatted data from an argument list pointer
*
*Revision History:
* 05-16-92 KRS Created from vprintf.c
*
*******************************************************************************/
#include <cruntime.h>
#include <stdio.h>
#include <wchar.h>
#include <assert.h>
#include <stdarg.h>
#include <internal.h>
#include <file2.h>
#include <os2dll.h>
/***
*int vwprintf(format, ap) - print formatted data from an argument list pointer
*
*Purpose:
* Prints formatted data items to stdout. Uses a pointer to a
* variable length list of arguments instead of an argument list.
*
*Entry:
* wchar_t *format - format string, describes data format to write
* va_list ap - pointer to variable length arg list
*
*Exit:
* returns number of wide characters written
*
*Exceptions:
*
*******************************************************************************/
int _CALLTYPE1 vwprintf (
const wchar_t *format,
va_list ap
)
/*
* stdout 'V'ariable, 'W'char_t 'PRINT', 'F'ormatted
*/
{
REG1 FILE *stream = stdout;
REG2 int buffing;
REG3 int retval;
#ifdef MTHREAD
int index;
#endif
assert(format != NULL);
#ifdef MTHREAD
index = _iob_index(stream);
#endif
_lock_str(index);
buffing = _stbuf(stream);
retval = _woutput(stream, format, ap );
_ftbuf(buffing, stream);
_unlock_str(index);
return(retval);
}
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