BTREE            3068 net/zlib.c           BTREE,    /* get bit lengths tree for a dynamic block */
BTREE            3227 net/zlib.c       if (s->mode == BTREE || s->mode == DTREE)
BTREE            3391 net/zlib.c           s->mode = BTREE;
BTREE            3392 net/zlib.c         case BTREE: