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#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include "_format.h"
/** write formatted output to a file stream **/
GCC_SSE_HACK
int vfprintf(FILE * restrict stream, const char * restrict format, va_list arg)
{
int ret = 0;
struct io_options opt = {0};
SIGNAL_SAFE(0);
ASSERT_NOOVERLAP(stream, sizeof(stream), format, strlen(format));
opt.fnname = "vfprintf";
opt.stream = stream;
ret = __printf(&opt, format, arg);
/*
RETURN_SUCCESS(the number of characters written);
RETURN_FAILURE(an error occured);
*/
return ret;
}
/***
is equivalent to FUNCTION(fprintf), but with a TYPEDEF(va_list)
argument instead of variadic arguments. The argument ARGUMENT(arg) must be
initialized with FUNCTION(va_start) prior to calling THIS(). The THIS()
function does not call FUNCTION(va_end), so the calling function is
responsible for this.
***/
/*
STDC(1)
*/
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