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/* $OpenBSD: search.h,v 1.5 2002/02/17 19:42:21 millert 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/ansi.h>
#ifdef _BSD_SIZE_T_
typedef _BSD_SIZE_T_ size_t;
#undef _BSD_SIZE_T_
#endif
typedef struct entry {
char *key;
char *data;
} ENTRY;
typedef enum {
FIND, ENTER
} ACTION;
typedef enum {
preorder,
postorder,
endorder,
leaf
} VISIT;
__BEGIN_DECLS
extern void *bsearch(const void *, const void *, size_t, size_t,
int (*)(const void *, const void *));
extern int hcreate(unsigned int);
extern void hdestroy(void);
extern ENTRY *hsearch(ENTRY, ACTION);
extern void *lfind(const void *, const void *, size_t *, size_t,
int (*)(const void *, const void *));
extern void *lsearch(const void *, const void *, size_t *, size_t,
int (*)(const void *, const void *));
extern void insque(void *, void *);
extern void remque(void *);
extern void *tdelete(const void *, void **,
int (*)(const void *, const void *));
extern void *tfind(const void *, void * const *,
int (*)(const void *, const void *));
extern void *tsearch(const void *, void **,
int (*)(const void *, const void *));
extern void twalk(const void *, void (*)(const void *, VISIT, int));
__END_DECLS
#endif
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