localtime 和 localtime_r 的区别 转自:http://blog.csdn.net/maocl1983/article/details/6221810#include <cstdlib>#include<iostream>#include<time.h>#include<stdio.h>usingnamespacestd;intmain(intargc,char*argv[]) { time_t tNow=time(NULL); time_t tEnd= tNow +1800;//注意下面两行的区别stru...
localtime 和 localtime_r的区别 上程序: 最后出来的结果是: 21:18:39 21:18:39 和最初想法不一致。 查阅localtime的文档,发现这段话: This structure is statically allocated and shared by the functions gmtime and localtime. Each time either one of these func......
linux 中 gmtime和 localtime区别 gmtime和localtime struct tm *gmtime(const time_t *timep); struct tm *gmtime_r(const time_t *timep, struct tm *result); struct tm *localtime(const time_t *timep); struct tm *localtime_r(const time_t *timep, struct tm *result); 参数都是time_t,t...
（1）UTC （Coordinated Universal Time）：协调世界时，又称世界标准时间。曾由格林威治平均时间（...