C语言标准宏__DATE__格式化YY/MM/DD的驱动

#include <stdio.h>
#include <time.h>

int main() {
time_t t = time(NULL);
struct tm tm = *localtime(&t);
printf("%02d/%02d/%02d\n", tm.tm_year % 100, tm.tm_mon + 1, tm.tm_mday);
return 0;
}