static int head_number(game_state *state, int i, int *scratch)
{
- int off = 0, found = 0, start, ss, j = i, c, n, sz;
+ int off = 0, found = 0, start = 0, ss, j = i, c, n, sz;
const char *why = NULL;
assert(state->prev[i] == -1 && state->next[i] != -1);