182 #define BITS(n) \  macro
287             state->last = BITS(1);  in inflateBack()
289             switch (BITS(2)) {  in inflateBack()
348             state->nlen = BITS(5) + 257;  in inflateBack()
350             state->ndist = BITS(5) + 1;  in inflateBack()
352             state->ncode = BITS(4) + 4;  in inflateBack()
367                 state->lens[order[state->have++]] = (unsigned short)BITS(3);  in inflateBack()
388                     here = state->lencode[BITS(state->lenbits)];  in inflateBack()
406                         copy = 3 + BITS(2);  in inflateBack()
413                         copy = 3 + BITS(3);  in inflateBack()
420                         copy = 11 + BITS(7);  in inflateBack()
482                 here = state->lencode[BITS(state->lenbits)];  in inflateBack()
490                             (BITS(last.bits + last.op) >> last.bits)];  in inflateBack()
529                 state->length += BITS(state->extra);  in inflateBack()
536                 here = state->distcode[BITS(state->distbits)];  in inflateBack()
544                             (BITS(last.bits + last.op) >> last.bits)];  in inflateBack()
562                 state->offset += BITS(state->extra);  in inflateBack()