In C language, time_t is longint, which is an integer type and can define macros;
typetime_olong; you can directly define data in long type, and then call time(), or other Time function;
For example:
time_tlt;
lt=time(NULL); //Get the current system time.
Extended information
Usage of time_t
Example:
doubledifftime(time_ttime1, time_ttime0);
time_tmktime (structtm*timeptr);
time_ttime(time_t*timer);
char*asctime(conststructtm*timeptr);
char*ctime(consttime_t*timer );