avl_insert_here
avl_insert_here(l, elem, pos, ba);
avl_insert_here(list, ent, lastentry, AVL_AFTER);
avl_insert_here(&dn->dn_dbufs, &db_marker, db,
avl_insert_here(tree, rear, front, AVL_AFTER);
extern void avl_insert_here(avl_tree_t *tree, void *new_data, void *here,
avl_insert_here(&as->a_segtree, newseg, lseg,
avl_insert_here(tree, tmp, next, AVL_AFTER);
avl_insert_here(tree, tmp, *last, AVL_AFTER);
avl_insert_here(tree, tmp, *last, AVL_AFTER);
avl_insert_here(tree, tmp, next, AVL_AFTER);
avl_insert_here(tree, tmp, next, AVL_AFTER);