C语言获取系统时间并格式化输出

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


void main(){
char showTime[10];
time_t rawtime;
struct tm * timeinfo;
time (&rawtime);
timeinfo = localtime (&rawtime);
strftime(showTime,100,"%Y-%m-%d",timeinfo);
printf(showTime);
system("pause");
}