123     unsigned copy, dist;  in zlib_updatewindow()  local
127     /* copy state->wsize or less output bytes into the circular window */  in zlib_updatewindow()
128     copy = out - strm->avail_out;  in zlib_updatewindow()
129     if (copy >= state->wsize) {  in zlib_updatewindow()
136         if (dist > copy) dist = copy;  in zlib_updatewindow()
137         memcpy(state->window + state->write, strm->next_out - copy, dist);  in zlib_updatewindow()
138         copy -= dist;  in zlib_updatewindow()
139         if (copy) {  in zlib_updatewindow()
140             memcpy(state->window, strm->next_out - copy, copy);  in zlib_updatewindow()
141             state->write = copy;  in zlib_updatewindow()
317    and there is no window currently, goto inf_leave will create one and copy
340     unsigned copy;              /* number of stored or match bytes to copy */  in zlib_inflate()  local
341     unsigned char *from;        /* where to copy match bytes from */  in zlib_inflate()
344     unsigned len;               /* length to copy for repeats, bits to drop */  in zlib_inflate()
448             state->mode = COPY;  in zlib_inflate()
450         case COPY:  in zlib_inflate()
451             copy = state->length;  in zlib_inflate()
452             if (copy) {  in zlib_inflate()
453                 if (copy > have) copy = have;  in zlib_inflate()
454                 if (copy > left) copy = left;  in zlib_inflate()
455                 if (copy == 0) goto inf_leave;  in zlib_inflate()
456                 memcpy(put, next, copy);  in zlib_inflate()
457                 have -= copy;  in zlib_inflate()
458                 next += copy;  in zlib_inflate()
459                 left -= copy;  in zlib_inflate()
460                 put += copy;  in zlib_inflate()
461                 state->length -= copy;  in zlib_inflate()
527                         copy = 3 + BITS(2);  in zlib_inflate()
534                         copy = 3 + BITS(3);  in zlib_inflate()
541                         copy = 11 + BITS(7);  in zlib_inflate()
544                     if (state->have + copy > state->nlen + state->ndist) {  in zlib_inflate()
549                     while (copy--)  in zlib_inflate()
675             copy = out - left;  in zlib_inflate()
676             if (state->offset > copy) {         /* copy from window */  in zlib_inflate()
677                 copy = state->offset - copy;  in zlib_inflate()
678                 if (copy > state->write) {  in zlib_inflate()
679                     copy -= state->write;  in zlib_inflate()
680                     from = state->window + (state->wsize - copy);  in zlib_inflate()
683                     from = state->window + (state->write - copy);  in zlib_inflate()
684                 if (copy > state->length) copy = state->length;  in zlib_inflate()
686             else {                              /* copy from output */  in zlib_inflate()
688                 copy = state->length;  in zlib_inflate()
690             if (copy > left) copy = left;  in zlib_inflate()
691             left -= copy;  in zlib_inflate()
692             state->length -= copy;  in zlib_inflate()
695             } while (--copy);  in zlib_inflate()