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#include <stdio.h>
#include <errno.h>
#include <stdlib.h>
#include <limits.h>
int vfprintf(FILE
* file
, const char *format
, va_list arg
)
{
static char *buf=NULL;
int printed=0, rc = 0;
if(!file){
errno = EBADF;
return errno;
}
if(!format){
errno = EINVAL;
return errno;
}
if(!buf){
errno = ENOMEM;
return errno;
}
printed = vsnprintf(buf, STDIO_MAX_MEM, format,arg);
rc
= fwrite(buf
, sizeof(char), printed
, file
);
return rc;
}