clock_t <ctime> Clock type Type capable of representing clock tick counts and support arithmetical operations. This type is returned by the clock function of the <ctime> header to represent the number of clock ticks since the beginning of the…
Unix提供的最基本的时间服务室日历时间(纪元时间),也就是计算1970年1月1日0时0分0秒到当前的秒数.该秒数用time_t表示. typedef long time_t; /* 时间值time_t 为长整型的别名*/ 1.获取/设置时间 1.1 time和time_t 函数time()可以用于获取当前日历时间 #include <time.h> time_t time(time_t *calptr); Returns: value of time if OK,−1 on e…
1.time_t实际上就是长整型long int;用来保存从1970年1月1日0时0分0秒到现在时刻的秒数!用time()这个函数获取! #ifndef __TIME_T #define __TIME_T typedef long time_t; 2.pthread_t也是类似 typedef unsigned long int pthread_t…
type struct tm <ctime> Time structure Structure containing a calendar date and time broken down into its components. The structure contains nine members of type int, which are (in any order): 1 2 3 4 5 6 7 8 9 int tm_sec; int tm_min; int tm_hour; in…