ref: ae0d87a19f53e5e8690e4a41536b5a825a3d9787
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);
}