void sigchld_handler(int sig)
{
    pid_t pid;
    int status;
    struct job_t *job;//using job struct
    while((pid = waitpid(-1, &status, WNOHANG)) > 0)//WNOHANG doesn't wait for process
    {
        //job = getjobpid(jobs, pid);
        deletejob(jobs, pid);//deletes job after termination
    }

    return;
}