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57 lines
1.1 KiB
C
57 lines
1.1 KiB
C
/* $NetBSD: search.h,v 1.12 1999/02/22 10:34:28 christos Exp $ */
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/* $FreeBSD$ */
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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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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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__BEGIN_DECLS
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int hcreate __P((size_t));
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void hdestroy __P((void));
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ENTRY *hsearch __P((ENTRY, ACTION));
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void *tdelete __P((const void *, void **,
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int (*)(const void *, const void *)));
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void *tfind __P((const void *, void **,
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int (*)(const void *, const void *)));
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void *tsearch __P((const void *, void **,
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int (*)(const void *, const void *)));
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void twalk __P((const void *, void (*)(const void *, VISIT, int)));
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__END_DECLS
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#endif /* !_SEARCH_H_ */
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