Programming

#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>

#define NUM_CHILDREN 4


main()
{
        pid_t children[NUM_CHILDREN];
        int i;
        setvbuf(stdout, NULL, _IONBF, 0);

        for(i=0;i<NUM_CHILDREN;i++){
                if( (children[i]=fork()) == 0 ){
                                printf("I am child number %d and my pid is %d \n", i, getpid());
                                exit(0);
                } else {
                        sleep(2);
                        printf("I am the parent \n");
                }
        }
        exit(0);
}