ref: e43e3872b43d9c1b49e9e5c015b32258c3735ad8
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); }