232     state->check = 1L;      /* 1L is the result of adler32() zero length data */
462 #  define UPDATE(check, buf, len) \  argument
463     (state->flags ? crc32(check, buf, len) : adler32(check, buf, len))
465 #  define UPDATE(check, buf, len) adler32(check, buf, len)  argument
470 #  define CRC2(check, word) \  argument
474         check = crc32(check, hbuf, 2); \
477 #  define CRC4(check, word) \  argument
483         check = crc32(check, hbuf, 4); \
679                 state->check = crc32(0L, Z_NULL, 0);
680                 CRC2(state->check, hold);
685             state->flags = 0;           /* expect zlib header */
713             strm->adler = state->check = adler32(0L, Z_NULL, 0);
720             state->flags = (int)(hold);
721             if ((state->flags & 0xff) != Z_DEFLATED) {
726             if (state->flags & 0xe000) {
733             if ((state->flags & 0x0200) && (state->wrap & 4))
734                 CRC2(state->check, hold);
741             if ((state->flags & 0x0200) && (state->wrap & 4))
742                 CRC4(state->check, hold);
751             if ((state->flags & 0x0200) && (state->wrap & 4))
752                 CRC2(state->check, hold);
756             if (state->flags & 0x0400) {
761                 if ((state->flags & 0x0200) && (state->wrap & 4))
762                     CRC2(state->check, hold);
769             if (state->flags & 0x0400) {
780                     if ((state->flags & 0x0200) && (state->wrap & 4))
781                         state->check = crc32(state->check, next, copy);
791             if (state->flags & 0x0800) {
801                 if ((state->flags & 0x0200) && (state->wrap & 4))
802                     state->check = crc32(state->check, next, copy);
812             if (state->flags & 0x1000) {
822                 if ((state->flags & 0x0200) && (state->wrap & 4))
823                     state->check = crc32(state->check, next, copy);
832             if (state->flags & 0x0200) {
834                 if ((state->wrap & 4) && hold != (state->check & 0xffff)) {
842                 state->head->hcrc = (int)((state->flags >> 9) & 1);
845             strm->adler = state->check = crc32(0L, Z_NULL, 0);
851             strm->adler = state->check = ZSWAP32(hold);
859             strm->adler = state->check = adler32(0L, Z_NULL, 0);
1216                     strm->adler = state->check =
1217                         UPDATE(state->check, put - out, out);
1221                      state->flags ? hold :
1223                      ZSWAP32(hold)) != state->check) {
1234             if (state->wrap && state->flags) {
1289         strm->adler = state->check =
1290             UPDATE(state->check, strm->next_out - out, out);
1355         if (dictid != state->check)
1548 int ZEXPORT inflateValidate(strm, check)  in inflateValidate()  argument
1550 int check;
1556     if (check)