BBUF_GET_OFFSET_POS  376 mbstring/oniguruma/regcomp.c   r = unset_addr_list_add(node->unset_addr_list, BBUF_GET_OFFSET_POS(reg),
BBUF_GET_OFFSET_POS 1264 mbstring/oniguruma/regcomp.c       node->call_addr = BBUF_GET_OFFSET_POS(reg) + SIZE_ABSADDR + SIZE_OP_JUMP;