76 lines
1.6 KiB
C
76 lines
1.6 KiB
C
/*-
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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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* $NetBSD: search.h,v 1.12 1999/02/22 10:34:28 christos Exp $
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* $FreeBSD: src/include/search.h,v 1.10 2002/10/16 14:29:23 robert Exp $
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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 <sys/types.h>
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typedef struct entry
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{
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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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{
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FIND, ENTER
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} ACTION;
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typedef enum
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{
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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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{
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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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struct qelem
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{
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struct qelem *q_forw;
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struct qelem *q_back;
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};
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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,
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int (*) (const void *, const void *));
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void tdestroy (void *, void (*)(void *));
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void *tfind (const void *, void **,
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int (*) (const void *, const void *));
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void *tsearch (const void *, void **, int (*) (const void *, const void *));
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void twalk (const void *, void (*) (const void *, VISIT, int));
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void *lfind (const void *, const void *, size_t *, size_t,
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int (*) (const void *, const void *));
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void *lsearch (const void *, void *, size_t *, size_t,
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int (*) (const void *, const void *));
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void insque (void *, void *);
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void remque (void *);
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__END_DECLS
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#endif /* !_SEARCH_H_ */
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