Write a program to create a child process. Parent process will display message child process terminated on termination of child process. (Hint: catch SIGCHLD signal in parent)

# include
# include
# include
# include
# include

void handler(int sig)
{  
    printf("Iam in handler ...%d\n",sig);
}  

main()
{

    int status;
    pid_t pid;

    signal(SIGCHLD,handler);

    pid = fork();

    printf("Child Process id is : %d\n", pid);

    if( pid == 0 )
        {
        printf("child process id is  %d\n",getpid());
        exit(0);
    }

    sleep(3);
    pid = wait(&status);
    printf("process terminated is %d\n",pid);
}