491 #define BITS(n) \  macro
644                 ((BITS(8) << 8) + (hold >> 8)) % 31) {  in inflate()
649             if (BITS(4) != Z_DEFLATED) {  in inflate()
655             len = BITS(4) + 8;  in inflate()
834             state->last = BITS(1);  in inflate()
836             switch (BITS(2)) {  in inflate()
900             state->nlen = BITS(5) + 257;  in inflate()
902             state->ndist = BITS(5) + 1;  in inflate()
904             state->ncode = BITS(4) + 4;  in inflate()
920                 state->lens[order[state->have++]] = (unsigned short)BITS(3);  in inflate()
942                     here = state->lencode[BITS(state->lenbits)];  in inflate()
960                         copy = 3 + BITS(2);  in inflate()
967                         copy = 3 + BITS(3);  in inflate()
974                         copy = 11 + BITS(7);  in inflate()
1037                 here = state->lencode[BITS(state->lenbits)];  in inflate()
1045                             (BITS(last.bits + last.op) >> last.bits)];  in inflate()
1079                 state->length += BITS(state->extra);  in inflate()
1089                 here = state->distcode[BITS(state->distbits)];  in inflate()
1097                             (BITS(last.bits + last.op) >> last.bits)];  in inflate()
1118                 state->offset += BITS(state->extra);  in inflate()