ref: e4fb950f7f36da741e55025fd564a31a37ee4b06
dir: /lib/c/fprintf.c/
#include <stdarg.h>
#include <stdio.h>
#undef fprintf
int
fprintf(FILE * restrict fp, const char * restrict fmt, ...)
{
va_list va;
int cnt;
va_start(va, fmt);
cnt = vfprintf(fp, fmt, va);
va_end(va);
return cnt;
}