--- /dev/null
+++ Libc/Libc-320.1.3/include/search.h
@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
+/*-
+ * Written by J.T. Conklin <jtc@netbsd.org>
+ * Public domain.
+ *
+ *	$NetBSD: search.h,v 1.12 1999/02/22 10:34:28 christos Exp $
+ * $FreeBSD: src/include/search.h,v 1.10 2002/10/16 14:29:23 robert Exp $
+ */
+
+#ifndef _SEARCH_H_
+#define _SEARCH_H_
+
+#include <sys/cdefs.h>
+#include <sys/types.h>
+
+typedef	struct entry {
+	char	*key;
+	void	*data;
+} ENTRY;
+
+typedef	enum {
+	FIND, ENTER
+} ACTION;
+
+typedef	enum {
+	preorder,
+	postorder,
+	endorder,
+	leaf
+} VISIT;
+
+#ifdef _SEARCH_PRIVATE
+typedef	struct node {
+	char         *key;
+	struct node  *llink, *rlink;
+} node_t;
+
+struct que_elem {
+	struct que_elem *next;
+	struct que_elem *prev;
+};
+#endif
+
+__BEGIN_DECLS
+int	 hcreate(size_t);
+void	 hdestroy(void);
+ENTRY	*hsearch(ENTRY, ACTION);
+void	 insque(void *, void *);
+void	*lfind(const void *, const void *, size_t *, size_t,
+	    int (*)(const void *, const void *));
+void	*lsearch(const void *, void *, size_t *, size_t,
+	    int (*)(const void *, const void *));
+void	 remque(void *);
+void	*tdelete(const void * __restrict, void ** __restrict,
+	    int (*)(const void *, const void *));
+void	*tfind(const void *, void * const *,
+	    int (*)(const void *, const void *));
+void	*tsearch(const void *, void **, int (*)(const void *, const void *));
+void	 twalk(const void *, void (*)(const void *, VISIT, int));
+__END_DECLS
+
+#endif /* !_SEARCH_H_ */