时间操作最经典的例子

int Get_Display_Time(char* nt) { time_t now; struct tm tmn; now=time(NULL); memcpy(&tmn, localtime(&now), sizeof(struct tm)); sprintf(nt, "%4d-%02d-%02d% 02d:%02d:%02d\0", tmn.tm_year+1900, tmn.tm_mon+1, tmn.tm_mday, tmn.tm_hour, tmn.tm_min, tmn.tm_sec); return SUCCESS; }