static int closedesc_all(const int closestdin)
{
    int fodder;

    if (closestdin != 0) {
        (void) close(0);
        if ((fodder = open("/dev/null", O_RDONLY)) == -1) {
            return -1;
        }
        (void) dup2(fodder, 0);
        if (fodder > 0) {
            (void) close(fodder);
        }
    }
    if ((fodder = open("/dev/null", O_WRONLY)) == -1) {
        return -1;
    }
    (void) dup2(fodder, 1);
    (void) dup2(1, 2);
    if (fodder > 2) {
        (void) close(fodder);
    }

    return 0;
}