精选优质文档-倾情为你奉上经典c程序100例=91-100【程序91】题目:时间函数举例11.程序分析:2.程序源代码:#include stdio.h#include time.hvoid main() time_t lt; /*define a longint time varible*/lt=time(NULL);/*system time and date*/printf(ctime(); /*english format output*/printf(asctime(localtime();/*tranfer to tm*/printf(asctime(gmtime(); /*tranfer to Greenwich time*/=【程序92】题目:时间函数举例21.程序分析:2.程序源代码:/*calculate time*/#include