[444] | 1 | /* $NetBSD: search.h,v 1.12 1999/02/22 10:34:28 christos Exp $ */ |
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| 2 | /* $FreeBSD: src/include/search.h,v 1.4 2002/03/23 17:24:53 imp Exp $ */ |
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| 3 | |
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| 4 | /* |
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| 5 | * Written by J.T. Conklin <jtc@netbsd.org> |
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| 6 | * Public domain. |
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| 7 | */ |
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| 8 | |
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| 9 | #ifndef _SEARCH_H_ |
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| 10 | #define _SEARCH_H_ |
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| 11 | |
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| 12 | #include <sys/cdefs.h> |
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| 13 | #include <machine/ansi.h> |
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| 14 | #include <sys/types.h> |
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| 15 | |
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| 16 | typedef struct entry { |
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| 17 | char *key; |
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| 18 | void *data; |
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| 19 | } ENTRY; |
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| 20 | |
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| 21 | typedef enum { |
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| 22 | FIND, ENTER |
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| 23 | } ACTION; |
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| 24 | |
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| 25 | typedef enum { |
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| 26 | preorder, |
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| 27 | postorder, |
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| 28 | endorder, |
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| 29 | leaf |
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| 30 | } VISIT; |
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| 31 | |
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| 32 | #ifdef _SEARCH_PRIVATE |
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| 33 | typedef struct node { |
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| 34 | char *key; |
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| 35 | struct node *llink, *rlink; |
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| 36 | } node_t; |
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| 37 | #endif |
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| 38 | |
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| 39 | struct hsearch_data |
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| 40 | { |
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| 41 | struct internal_head *htable; |
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| 42 | size_t htablesize; |
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| 43 | }; |
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| 44 | |
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| 45 | #ifndef __compar_fn_t_defined |
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| 46 | #define __compar_fn_t_defined |
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| 47 | typedef int (*__compar_fn_t) (const void *, const void *); |
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| 48 | #endif |
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| 49 | |
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| 50 | __BEGIN_DECLS |
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| 51 | int hcreate(size_t); |
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| 52 | void hdestroy(void); |
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| 53 | ENTRY *hsearch(ENTRY, ACTION); |
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| 54 | int hcreate_r(size_t, struct hsearch_data *); |
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| 55 | void hdestroy_r(struct hsearch_data *); |
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| 56 | int hsearch_r(ENTRY, ACTION, ENTRY **, struct hsearch_data *); |
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| 57 | void *tdelete(const void *__restrict, void **__restrict, __compar_fn_t); |
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| 58 | void tdestroy (void *, void (*)(void *)); |
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| 59 | void *tfind(const void *, void **, __compar_fn_t); |
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| 60 | void *tsearch(const void *, void **, __compar_fn_t); |
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| 61 | void twalk(const void *, void (*)(const void *, VISIT, int)); |
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| 62 | __END_DECLS |
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| 63 | |
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| 64 | #endif /* !_SEARCH_H_ */ |
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