ref: 9332f34cf7bae72b9ccaa290cae5a1eec3f34f3d
dir: /src/libc/stdio/vprintf.c/
#include <stdarg.h>
#include <stdio.h>
#undef vprintf
int
vprintf(const char * restrict fmt, va_list ap)
{
va_list ap2;
va_copy(ap2, ap);
return vfprintf(stdout, fmt, ap2);
}