--- Libc/Libc-1725.40.4/stdlib/FreeBSD/twalk.c
+++ /dev/null
@@ -1,54 +0,0 @@
-/*	$NetBSD: twalk.c,v 1.1 1999/02/22 10:33:16 christos Exp $	*/
-
-/*
- * Tree search generalized from Knuth (6.2.2) Algorithm T just like
- * the AT&T man page says.
- *
- * The node_t structure is for internal use only, lint doesn't grok it.
- *
- * Written by reading the System V Interface Definition, not the code.
- *
- * Totally public domain.
- */
-
-#include <sys/cdefs.h>
-#if 0
-#if defined(LIBC_SCCS) && !defined(lint)
-__RCSID("$NetBSD: twalk.c,v 1.1 1999/02/22 10:33:16 christos Exp $");
-#endif /* LIBC_SCCS and not lint */
-#endif
-__FBSDID("$FreeBSD: src/lib/libc/stdlib/twalk.c,v 1.5 2003/01/05 02:43:18 tjr Exp $");
-
-#define _SEARCH_PRIVATE
-#include <search.h>
-#include <stdlib.h>
-
-static void trecurse(const node_t *,
-    void (*action)(const void *, VISIT, int), int level);
-
-/* Walk the nodes of a tree */
-static void
-trecurse(const node_t *root, void (*action)(const void *, VISIT, int),
-    int level)
-{
-
-	if (root->llink == NULL && root->rlink == NULL)
-		(*action)(root, leaf, level);
-	else {
-		(*action)(root, preorder, level);
-		if (root->llink != NULL)
-			trecurse(root->llink, action, level + 1);
-		(*action)(root, postorder, level);
-		if (root->rlink != NULL)
-			trecurse(root->rlink, action, level + 1);
-		(*action)(root, endorder, level);
-	}
-}
-
-/* Walk the nodes of a tree */
-void
-twalk(const void *vroot, void (*action)(const void *, VISIT, int))
-{
-	if (vroot != NULL && action != NULL)
-		trecurse(vroot, action, 0);
-}