void exit(int);

struct decision {
    char enforce_mode;
    struct decision *next;
};


static void
    clear_modes(p) register struct decision *p;
{
    goto blah;

foo:
    p->enforce_mode = 0;
blah:
    if (p)
        goto foo;
}

int main(void) {
    struct decision *p = 0;
    clear_modes(p);
    exit(0);
}
