[国嵌攻略][077][Linux时间编程]

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

void main(){
    //获取日历时间
    time_t ctime;
    
    time(&ctime);
    printf("ctime is %d\n", ctime);
    
    //获取微秒时间
    struct timeval mtime;
    
    gettimeofday(&mtime, NULL);
    printf("mtime is %d.%d\n", mtime.tv_sec, mtime.tv_usec);
    
    //获取标准时间
    struct tm *gtime;
    
    gtime = gmtime(&ctime);
    printf("gtime is %02d:%02d\n", gtime->tm_hour, gtime->tm_min);
    
    //获取本地时间
    struct tm *ltime;
    
    ltime = localtime(&ctime);
    printf("ltime is %02d:%02d\n", ltime->tm_hour, ltime->tm_min);
    
    //转换时间格式
    char *atime;
    
    atime = asctime(ltime);
    printf("atime is %s\n", atime);
}