<C语言>打印（输）出系统时间-----time相关函数

#include <time.h>
#include <st
4000
dio.h>

int main(void)
{
time_t t;
struct tm *timeinfo;  //结构体
time(&t);
timeinfo = localtime(&t);
printf("时间：%s\n", asctime(timeinfo));  //以字符串形式输出localtime本地时间

return 0;
}

#include <time.h>
#include <stdio.h>
int main()
{
char *wday[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
time_t t;
struct tm *p;
time(&t);
p = localtime(&t); //取得当地时间
printf ("%d/%02d/%02d ", (1900+p->tm_year), (1+p->tm_mon), p->tm_mday);
printf("%s %02d:%02d:%02d\n", wday[p->tm_wday], p->tm_hour, p->tm_min, p->tm_sec); //wday:星期

return 0;
}