#include <sys/types.h>

#include <sys/wait.h>



int main(void)

{

    int pid, state;

    

    printf(" The parent: before the fork()\n");

    if ((pid = fork()) != 0)

    {

        wait(&state);

    }

    else

    {

        int pid;

        

        printf("The child: begins the execution \n");

        pid=getpid();

        printf("The son: %d terminates\n", pid);

        

        exit(10);

    }

    

    printf("The parent: after fork()\n");

    state = WEXITSTATUS(state);



    printf("PID child=%d; terminated with the code %d=%x\n", pid, state, state);



    return 0;

}