252     Assert(s->lookahead < MIN_LOOKAHEAD, "already enough lookahead");  in fill_window()
255         more = (unsigned)(s->window_size -(ulg)s->lookahead -(ulg)s->strstart);  in fill_window()
259             if (more == 0 && s->strstart == 0 && s->lookahead == 0) {  in fill_window()
299         n = read_buf(s->strm, s->window + s->strstart + s->lookahead, more);  in fill_window()
300         s->lookahead += n;  in fill_window()
303         if (s->lookahead + s->insert >= MIN_MATCH) {  in fill_window()
318                 if (s->lookahead + s->insert < MIN_MATCH)  in fill_window()
326     } while (s->lookahead < MIN_LOOKAHEAD && s->strm->avail_in != 0);  in fill_window()
336         ulg curr = s->strstart + (ulg)(s->lookahead);  in fill_window()
558     if (wrap == 2 || (wrap == 1 && s->status != INIT_STATE) || s->lookahead)  in deflateSetDictionary()
584     while (s->lookahead >= MIN_MATCH) {  in deflateSetDictionary()
586         n = s->lookahead - (MIN_MATCH-1);  in deflateSetDictionary()
596         s->lookahead = MIN_MATCH-1;  in deflateSetDictionary()
599     s->strstart += s->lookahead;  in deflateSetDictionary()
601     s->insert = s->lookahead;  in deflateSetDictionary()
602     s->lookahead = 0;  in deflateSetDictionary()
620     len = s->strstart + s->lookahead;  in deflateGetDictionary()
624         zmemcpy(dictionary, s->window + s->strstart + s->lookahead - len, len);  in deflateGetDictionary()
683     s->lookahead = 0;  in lm_init()
779         if (strm->avail_in || (s->strstart - s->block_start) + s->lookahead)  in deflateParams()
1182     if (strm->avail_in != 0 || s->lookahead != 0 ||  in deflate()
1217                     if (s->lookahead == 0) {  in deflate()
1392     if ((uInt)nice_match > s->lookahead) nice_match = (int)s->lookahead;  in longest_match()
1491     if ((uInt)best_len <= s->lookahead) return (uInt)best_len;  in longest_match()
1492     return s->lookahead;  in longest_match()
1548     return (uInt)len <= s->lookahead ? (uInt)len : s->lookahead;  in longest_match()
1830         if (s->lookahead < MIN_LOOKAHEAD) {  in deflate_fast()
1832             if (s->lookahead < MIN_LOOKAHEAD && flush == Z_NO_FLUSH) {  in deflate_fast()
1835             if (s->lookahead == 0) break; /* flush the current block */  in deflate_fast()
1842         if (s->lookahead >= MIN_MATCH) {  in deflate_fast()
1863             s->lookahead -= s->match_length;  in deflate_fast()
1870                 s->lookahead >= MIN_MATCH) {  in deflate_fast()
1898             s->lookahead--;  in deflate_fast()
1930         if (s->lookahead < MIN_LOOKAHEAD) {  in deflate_slow()
1932             if (s->lookahead < MIN_LOOKAHEAD && flush == Z_NO_FLUSH) {  in deflate_slow()
1935             if (s->lookahead == 0) break; /* flush the current block */  in deflate_slow()
1942         if (s->lookahead >= MIN_MATCH) {  in deflate_slow()
1977             uInt max_insert = s->strstart + s->lookahead - MIN_MATCH;  in deflate_slow()
1990             s->lookahead -= s->prev_length - 1;  in deflate_slow()
2014             s->lookahead--;  in deflate_slow()
2022             s->lookahead--;  in deflate_slow()
2057         if (s->lookahead <= MAX_MATCH) {  in deflate_rle()
2059             if (s->lookahead <= MAX_MATCH && flush == Z_NO_FLUSH) {  in deflate_rle()
2062             if (s->lookahead == 0) break; /* flush the current block */  in deflate_rle()
2067         if (s->lookahead >= MIN_MATCH && s->strstart > 0) {  in deflate_rle()
2079                 if (s->match_length > s->lookahead)  in deflate_rle()
2080                     s->match_length = s->lookahead;  in deflate_rle()
2092             s->lookahead -= s->match_length;  in deflate_rle()
2099             s->lookahead--;  in deflate_rle()
2123         if (s->lookahead == 0) {  in deflate_huff()
2125             if (s->lookahead == 0) {  in deflate_huff()
2136         s->lookahead--;  in deflate_huff()