lib/zlib/deflate.c

319     IPos hash_head = 0;  local
346         INSERT_STRING(s, n, hash_head);
348     if (hash_head) hash_head = 0;  /* to make compiler happy */
1522     IPos hash_head;       /* head of the hash chain */  local
1542         hash_head = NIL;
1544             INSERT_STRING(s, s->strstart, hash_head);
1550         if (hash_head != NIL && s->strstart - hash_head <= MAX_DIST(s)) {
1555             s->match_length = longest_match (s, hash_head);
1575                     INSERT_STRING(s, s->strstart, hash_head);
1618     IPos hash_head;          /* head of hash chain */  local
1639         hash_head = NIL;
1641             INSERT_STRING(s, s->strstart, hash_head);
1649         if (hash_head != NIL && s->prev_length < s->max_lazy_match &&
1650             s->strstart - hash_head <= MAX_DIST(s)) {
1655             s->match_length = longest_match (s, hash_head);
1692                     INSERT_STRING(s, s->strstart, hash_head);