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-rw-r--r--include/search.h57
1 files changed, 57 insertions, 0 deletions
diff --git a/include/search.h b/include/search.h
new file mode 100644
index 0000000..37f2e60
--- /dev/null
+++ b/include/search.h
@@ -0,0 +1,57 @@
+/* $OpenBSD: search.h,v 1.10 2014/07/18 04:16:09 matthew Exp $ */
+/* $NetBSD: search.h,v 1.9 1995/08/08 21:14:45 jtc Exp $ */
+
+/*
+ * Written by J.T. Conklin <jtc@netbsd.org>
+ * Public domain.
+ */
+
+#ifndef _SEARCH_H_
+#define _SEARCH_H_
+
+#include <sys/cdefs.h>
+#include <machine/_types.h>
+
+#ifndef _SIZE_T_DEFINED_
+#define _SIZE_T_DEFINED_
+typedef __size_t size_t;
+#endif
+
+typedef struct entry {
+ char *key;
+ void *data;
+} ENTRY;
+
+typedef enum {
+ FIND, ENTER
+} ACTION;
+
+typedef enum {
+ preorder,
+ postorder,
+ endorder,
+ leaf
+} VISIT;
+
+__BEGIN_DECLS
+int hcreate(size_t);
+void hdestroy(void);
+ENTRY *hsearch(ENTRY, ACTION);
+
+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 insque(void *, 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_ */