256     Assert(s->lookahead < MIN_LOOKAHEAD, "already enough lookahead");  in fill_window()
259         more = (unsigned)(s->window_size -(ulg)s->lookahead -(ulg)s->strstart);  in fill_window()
263             if (more == 0 && s->strstart == 0 && s->lookahead == 0) {  in fill_window()
303         n = read_buf(s->strm, s->window + s->strstart + s->lookahead, more);  in fill_window()
304         s->lookahead += n;  in fill_window()
307         if (s->lookahead + s->insert >= MIN_MATCH) {  in fill_window()
322                 if (s->lookahead + s->insert < MIN_MATCH)  in fill_window()
330     } while (s->lookahead < MIN_LOOKAHEAD && s->strm->avail_in != 0);  in fill_window()
340         ulg curr = s->strstart + (ulg)(s->lookahead);  in fill_window()
562     if (wrap == 2 || (wrap == 1 && s->status != INIT_STATE) || s->lookahead)  in deflateSetDictionary()
588     while (s->lookahead >= MIN_MATCH) {  in deflateSetDictionary()
590         n = s->lookahead - (MIN_MATCH-1);  in deflateSetDictionary()
600         s->lookahead = MIN_MATCH-1;  in deflateSetDictionary()
603     s->strstart += s->lookahead;  in deflateSetDictionary()
605     s->insert = s->lookahead;  in deflateSetDictionary()
606     s->lookahead = 0;  in deflateSetDictionary()
624     len = s->strstart + s->lookahead;  in deflateGetDictionary()
628         zmemcpy(dictionary, s->window + s->strstart + s->lookahead - len, len);  in deflateGetDictionary()
687     s->lookahead = 0;  in lm_init()
775         if (strm->avail_in || (s->strstart - s->block_start) + s->lookahead)  in deflateParams()
1178     if (strm->avail_in != 0 || s->lookahead != 0 ||  in deflate()
1213                     if (s->lookahead == 0) {  in deflate()
1388     if ((uInt)nice_match > s->lookahead) nice_match = (int)s->lookahead;  in longest_match()
1487     if ((uInt)best_len <= s->lookahead) return (uInt)best_len;  in longest_match()
1488     return s->lookahead;  in longest_match()
1544     return (uInt)len <= s->lookahead ? (uInt)len : s->lookahead;  in longest_match()
1823         if (s->lookahead < MIN_LOOKAHEAD) {  in deflate_fast()
1825             if (s->lookahead < MIN_LOOKAHEAD && flush == Z_NO_FLUSH) {  in deflate_fast()
1828             if (s->lookahead == 0) break; /* flush the current block */  in deflate_fast()
1835         if (s->lookahead >= MIN_MATCH) {  in deflate_fast()
1856             s->lookahead -= s->match_length;  in deflate_fast()
1863                 s->lookahead >= MIN_MATCH) {  in deflate_fast()
1891             s->lookahead--;  in deflate_fast()
1923         if (s->lookahead < MIN_LOOKAHEAD) {  in deflate_slow()
1925             if (s->lookahead < MIN_LOOKAHEAD && flush == Z_NO_FLUSH) {  in deflate_slow()
1928             if (s->lookahead == 0) break; /* flush the current block */  in deflate_slow()
1935         if (s->lookahead >= MIN_MATCH) {  in deflate_slow()
1970             uInt max_insert = s->strstart + s->lookahead - MIN_MATCH;  in deflate_slow()
1983             s->lookahead -= s->prev_length - 1;  in deflate_slow()
2007             s->lookahead--;  in deflate_slow()
2015             s->lookahead--;  in deflate_slow()
2050         if (s->lookahead <= MAX_MATCH) {  in deflate_rle()
2052             if (s->lookahead <= MAX_MATCH && flush == Z_NO_FLUSH) {  in deflate_rle()
2055             if (s->lookahead == 0) break; /* flush the current block */  in deflate_rle()
2060         if (s->lookahead >= MIN_MATCH && s->strstart > 0) {  in deflate_rle()
2072                 if (s->match_length > s->lookahead)  in deflate_rle()
2073                     s->match_length = s->lookahead;  in deflate_rle()
2085             s->lookahead -= s->match_length;  in deflate_rle()
2092             s->lookahead--;  in deflate_rle()
2116         if (s->lookahead == 0) {  in deflate_huff()
2118             if (s->lookahead == 0) {  in deflate_huff()
2129         s->lookahead--;  in deflate_huff()