int getPidd()
{
    char target_pid[6];
    char *endint;
    int pid;
    printf("Provide a PID:\n");
    scanf("%6s",target_pid);

    pid=strtol(target_pid,&endint,10);
    if(*endint || pid<=2 || pid==getpid())
    {
        printf("Incorrect PID!\n");
        getPidd();
    }
    else
        printf("PID: %d\n",pid);

    return pid;
}