what is return 0 ; ???

–A way to exit a function

–return 0, in this case, means that the main() function terminates normally and returns to the Windows operating system.

•Right brace }

–Indicates end of main has been reached

 Example:

#include <stdio.h>

int main()
{

    printf("Welcome To Huzaifa's Blog\n");

    return 0 ;

}