2259 #define is_inuse(p)         (((p)->head & INUSE_BITS) != PINUSE_BIT)  macro
3015 #define ok_inuse(p)     is_inuse(p)
3269   assert(is_inuse(p));  in do_check_inuse_chunk()
3282   assert(!is_inuse(p));  in do_check_free_chunk()
3291       assert (next == m->top || is_inuse(next));  in do_check_free_chunk()
3331     assert(!is_inuse(u));  in do_check_tree()
3449         if (is_inuse(q)) {  in traverse_and_check()
3455           assert(lastq == 0 || is_inuse(lastq)); /* Not 2 consecutive free */  in traverse_and_check()
3517           if (!is_inuse(q)) {  in internal_mallinfo()
3561           if (!is_inuse(q))  in internal_malloc_stats()
3982     if (!is_inuse(oldfirst)) {  in prepend_alloc()
4286       if (!is_inuse(p) && (char*)p + psize >= base + size - TOP_FOOT_SIZE) {  in release_unused_segments()
5186         if (is_inuse(q)) {  in internal_inspect_all()
5425     if (is_inuse(p))  in dlmalloc_usable_size()
6001     if (is_inuse(p))  in mspace_usable_size()