ref: 9fbfbfa441fb3354422e52928d7f3af02d1ea2ad
dir: /lib/c/printf.c/
#include <stdarg.h> #include <stdio.h> #undef printf int printf(const char * restrict fmt, ...) { int cnt; va_list va; va_start(va, fmt); cnt = vfprintf(stdout, fmt, va); va_end(va); return cnt; }