获取系统时间

#include<time.h>  //C语言的头文件 #include<stdio.h>  //C语言的I/Oint  main(){time_t now;//实例化time_t结构struct tm  *timenow;//实例化tm结构指针time(&now);timenow = localtime(&now);int year,month;year = timenow->tm_year+1900;month = timenow->tm_mon+1;printf("%d\n",year);printf("%d\n",month);printf("Local time is %s\n",asctime(timenow));return 0;}