64 lines
1.3 KiB
C
64 lines
1.3 KiB
C
/* $NetBSD: search.h,v 1.12 1999/02/22 10:34:28 christos Exp $ */
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/* $FreeBSD: src/include/search.h,v 1.4 2002/03/23 17:24:53 imp 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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#include <sys/types.h>
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typedef struct entry {
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char *key;
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void *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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#ifdef _SEARCH_PRIVATE
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typedef struct node {
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char *key;
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struct node *llink, *rlink;
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} node_t;
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#endif
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struct hsearch_data
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{
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struct internal_head *htable;
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size_t htablesize;
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};
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#ifndef __compar_fn_t_defined
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#define __compar_fn_t_defined
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typedef int (*__compar_fn_t) (const void *, const void *);
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#endif
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__BEGIN_DECLS
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int hcreate(size_t);
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void hdestroy(void);
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ENTRY *hsearch(ENTRY, ACTION);
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int hcreate_r(size_t, struct hsearch_data *);
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void hdestroy_r(struct hsearch_data *);
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int hsearch_r(ENTRY, ACTION, ENTRY **, struct hsearch_data *);
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void *tdelete(const void *__restrict, void **__restrict, __compar_fn_t);
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void tdestroy (void *, void (*)(void *));
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void *tfind(const void *, void **, __compar_fn_t);
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void *tsearch(const void *, void **, __compar_fn_t);
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void twalk(const void *, void (*)(const void *, VISIT, int));
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__END_DECLS
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#endif /* !_SEARCH_H_ */
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