ref: 32bc8b570e96d2735d23bba6375cb2d2443b2d85
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; }