57 trecurse(const node_t *root, void (*action)(const void *, VISIT, int), int level)  in trecurse()  argument
60 	if (root->llink == NULL && root->rlink == NULL)  in trecurse()
61 		(*action)(root, leaf, level);  in trecurse()
63 		(*action)(root, preorder, level);  in trecurse()
64 		if (root->llink != NULL)  in trecurse()
65 			trecurse(root->llink, action, level + 1);  in trecurse()
66 		(*action)(root, postorder, level);  in trecurse()
67 		if (root->rlink != NULL)  in trecurse()
68 			trecurse(root->rlink, action, level + 1);  in trecurse()
69 		(*action)(root, endorder, level);  in trecurse()
75 twalk (const void *vroot,	/* Root of the tree to be walked */  in twalk()