C language tzset() function: time compatibility with UNIX operating system

Function name : tzset

Header file : <time.h>

Function prototype : void tzset(void);

Function : Time compatibility with UNIX operating system

Parameters : no parameters

Return value : No return value

Program example: Implementing UNIX time compatibility

 #include<stdio.h>#include<time.h>intmain(void){time_ttd;if(putenv(TZ=PST8PDT)==-1){//Set environment variables and determine whether it is successful printf(Unabletosetzn );return0;}tzset();//Set UNIX time compatible time(&td);printf(Currenttime=%sn,asctime(localtime(&td)));return0;}

Running results

 Currenttime=TueJun1606:32:062020