103     unsigned copy, dist;  in updatewindow()  local
122     /* copy state->wsize or less output bytes into the circular window */  in updatewindow()
123     copy = out - strm->avail_out;  in updatewindow()
124     if (copy >= state->wsize) {  in updatewindow()
131         if (dist > copy) dist = copy;  in updatewindow()
132         zmemcpy(state->window + state->write, strm->next_out - copy, dist);  in updatewindow()
133         copy -= dist;  in updatewindow()
134         if (copy) {  in updatewindow()
135             zmemcpy(state->window, strm->next_out - copy, copy);  in updatewindow()
136             state->write = copy;  in updatewindow()
315    and there is no window currently, goto inf_leave will create one and copy
337     unsigned copy;              /* number of stored or match bytes to copy */  in inflate()  local
338     unsigned char FAR *from;    /* where to copy match bytes from */  in inflate()
341     unsigned len;               /* length to copy for repeats, bits to drop */  in inflate()
454                 copy = state->length;  in inflate()
455                 if (copy > have) copy = have;  in inflate()
456                 if (copy) {  in inflate()
461                                 len + copy > state->head->extra_max ?  in inflate()
462                                 state->head->extra_max - len : copy);  in inflate()
465                         state->check = crc32(state->check, next, copy);  in inflate()
466                     have -= copy;  in inflate()
467                     next += copy;  in inflate()
468                     state->length -= copy;  in inflate()
477                 copy = 0;  in inflate()
479                     len = (unsigned)(next[copy++]);  in inflate()
484                 } while (len && copy < have);  in inflate()
486                     state->check = crc32(state->check, next, copy);  in inflate()
487                 have -= copy;  in inflate()
488                 next += copy;  in inflate()
498                 copy = 0;  in inflate()
500                     len = (unsigned)(next[copy++]);  in inflate()
505                 } while (len && copy < have);  in inflate()
507                     state->check = crc32(state->check, next, copy);  in inflate()
508                 have -= copy;  in inflate()
509                 next += copy;  in inflate()
592             state->mode = COPY;  in inflate()
593         case COPY:  in inflate()
594             copy = state->length;  in inflate()
595             if (copy) {  in inflate()
596                 if (copy > have) copy = have;  in inflate()
597                 if (copy > left) copy = left;  in inflate()
598                 if (copy == 0) goto inf_leave;  in inflate()
599                 zmemcpy(put, next, copy);  in inflate()
600                 have -= copy;  in inflate()
601                 next += copy;  in inflate()
602                 left -= copy;  in inflate()
603                 put += copy;  in inflate()
604                 state->length -= copy;  in inflate()
671                         copy = 3 + BITS(2);  in inflate()
678                         copy = 3 + BITS(3);  in inflate()
685                         copy = 11 + BITS(7);  in inflate()
688                     if (state->have + copy > state->nlen + state->ndist) {  in inflate()
693                     while (copy--)  in inflate()
822             copy = out - left;  in inflate()
823             if (state->offset > copy) {         /* copy from window */  in inflate()
824                 copy = state->offset - copy;  in inflate()
825                 if (copy > state->write) {  in inflate()
826                     copy -= state->write;  in inflate()
827                     from = state->window + (state->wsize - copy);  in inflate()
830                     from = state->window + (state->write - copy);  in inflate()
831                 if (copy > state->length) copy = state->length;  in inflate()
833             else {                              /* copy from output */  in inflate()
835                 copy = state->length;  in inflate()
837             if (copy > left) copy = left;  in inflate()
838             left -= copy;  in inflate()
839             state->length -= copy;  in inflate()
842             } while (--copy);  in inflate()