1 files changed, 74 insertions, 0 deletions
diff --git a/winsup/cygwin/include/search.h b/winsup/cygwin/include/search.h
new file mode 100644
index 00000000000..bfadb23e095
--- /dev/null
+++ b/winsup/cygwin/include/search.h
@@ -0,0 +1,74 @@
+/*-
+ * 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
+
+struct hsearch_data
+{
+  struct internal_head *htable;
+  size_t htablesize;
+};
+
+__BEGIN_DECLS
+int  hcreate (size_t);
+void  hdestroy (void);
+ENTRY *hsearch (ENTRY, ACTION);
+int hcreate_r (size_t, struct hsearch_data *);
+void hdestroy_r (struct hsearch_data *);
+int hsearch_r (ENTRY, ACTION, ENTRY **, struct hsearch_data *);
+void *tdelete (const void * __restrict, void ** __restrict,
+	       int (*) (const void *, const void *));
+void tdestroy (void *, void (*)(void *));
+void *tfind (const void *, void **,
+	     int (*) (const void *, const void *));
+void *tsearch (const void *, void **, int (*) (const void *, const void *));
+void  twalk (const void *, void (*) (const void *, VISIT, int));
+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 *));
+__END_DECLS
+
+#endif /* !_SEARCH_H_ */