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64 lines
1.3 KiB
64 lines
1.3 KiB
/* $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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