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/* $OpenBSD: search.h,v 1.5 2002/02/17 19:42:21 millert Exp $ */
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/* $NetBSD: search.h,v 1.9 1995/08/08 21:14:45 jtc Exp $ */
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/*
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* Written by J.T. Conklin <jtc@netbsd.org>
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* Public domain.
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*/
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#ifndef _SEARCH_H_
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#define _SEARCH_H_
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#include <sys/cdefs.h>
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#include <machine/ansi.h>
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#ifdef _BSD_SIZE_T_
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typedef _BSD_SIZE_T_ size_t;
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#undef _BSD_SIZE_T_
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#endif
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typedef struct entry {
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char *key;
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char *data;
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} ENTRY;
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typedef enum {
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FIND, ENTER
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} ACTION;
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typedef enum {
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preorder,
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postorder,
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endorder,
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leaf
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} VISIT;
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__BEGIN_DECLS
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extern void *bsearch(const void *, const void *, size_t, size_t,
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int (*)(const void *, const void *));
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extern int hcreate(unsigned int);
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extern void hdestroy(void);
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extern ENTRY *hsearch(ENTRY, ACTION);
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extern void *lfind(const void *, const void *, size_t *, size_t,
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int (*)(const void *, const void *));
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extern void *lsearch(const void *, const void *, size_t *, size_t,
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int (*)(const void *, const void *));
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extern void insque(void *, void *);
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extern void remque(void *);
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extern void *tdelete(const void *, void **,
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int (*)(const void *, const void *));
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extern void *tfind(const void *, void * const *,
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int (*)(const void *, const void *));
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extern void *tsearch(const void *, void **,
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int (*)(const void *, const void *));
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extern void twalk(const void *, void (*)(const void *, VISIT, int));
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__END_DECLS
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#endif
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