c语言 读取当前时间

#include <stdio.h>#include <time.h>  void main (){time_t rawtime;struct tm * timeinfo;time ( &rawtime );timeinfo = localtime ( &rawtime );printf ( "%4d-%02d-%02d %02d:%02d:%02d\n",1900+timeinfo->tm_year, 1+timeinfo->tm_mon,timeinfo->tm_mday,timeinfo->tm_hour,timeinfo->tm_min,timeinfo->tm_sec);}