1/* $OpenBSD: search.h,v 1.10 2014/07/18 04:16:09 matthew Exp $ */
2/* $NetBSD: search.h,v 1.9 1995/08/08 21:14:45 jtc Exp $ */
3
4/*
5 * Written by J.T. Conklin <jtc@netbsd.org>
6 * Public domain.
7 */
8
9#ifndef _SEARCH_H_
10#define _SEARCH_H_
11
12#include <sys/cdefs.h>
13#include <machine/_types.h>
14
15#ifndef _SIZE_T_DEFINED_
16#define _SIZE_T_DEFINED_
17typedef __size_t size_t;
18#endif
19
20typedef struct entry {
21 char *key;
22 void *data;
23} ENTRY;
24
25typedef enum {
26 FIND, ENTER
27} ACTION;
28
29typedef enum {
30 preorder,
31 postorder,
32 endorder,
33 leaf
34} VISIT;
35
36__BEGIN_DECLS
37int hcreate(size_t);
38void hdestroy(void);
39ENTRY *hsearch(ENTRY, ACTION);
40
41void *lfind(const void *, const void *, size_t *, size_t,
42 int (*)(const void *, const void *));
43void *lsearch(const void *, void *, size_t *, size_t,
44 int (*)(const void *, const void *));
45void insque(void *, void *);
46void remque(void *);
47
48void *tdelete(const void * __restrict, void ** __restrict,
49 int (*)(const void *, const void *));
50void *tfind(const void *, void * const *,
51 int (*)(const void *, const void *));
52void *tsearch(const void *, void **,
53 int (*)(const void *, const void *));
54void twalk(const void *, void (*)(const void *, VISIT, int));
55__END_DECLS
56
57#endif /* !_SEARCH_H_ */