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/*-
* Written by J.T. Conklin <jtc@NetBSD.org>
* Public domain.
*
* $NetBSD: search.h,v 1.16 2005/02/03 04:39:32 perry Exp $
* $FreeBSD$
*/
#ifndef _SEARCH_H_
#define _SEARCH_H_
#include <sys/cdefs.h>
#include <sys/_types.h>
#ifndef _SIZE_T_DECLARED
typedef __size_t size_t;
#define _SIZE_T_DECLARED
#endif
typedef struct entry {
char *key;
void *data;
} ENTRY;
typedef enum {
FIND, ENTER
} ACTION;
typedef enum {
preorder,
postorder,
endorder,
leaf
} VISIT;
#ifdef _SEARCH_PRIVATE
typedef struct __posix_tnode {
void *key;
struct __posix_tnode *llink, *rlink;
signed char balance;
} posix_tnode;
struct que_elem {
struct que_elem *next;
struct que_elem *prev;
};
#else
typedef void posix_tnode;
#endif
#if __BSD_VISIBLE
struct hsearch_data {
struct __hsearch *__hsearch;
};
#endif
__BEGIN_DECLS
int hcreate(size_t);
void hdestroy(void);
ENTRY *hsearch(ENTRY, ACTION);
void insque(void *, void *);
void *lfind(const void *, const void *, size_t *, size_t,
int (*)(const void *, const void *));
void *lsearch(const void *, void *, size_t *, size_t,
int (*)(const void *, const void *));
void remque(void *);
void *tdelete(const void * __restrict, posix_tnode ** __restrict,
int (*)(const void *, const void *));
posix_tnode *
tfind(const void *, posix_tnode * const *,
int (*)(const void *, const void *));
posix_tnode *
tsearch(const void *, posix_tnode **,
int (*)(const void *, const void *));
void twalk(const posix_tnode *, void (*)(const posix_tnode *, VISIT, int));
#if __BSD_VISIBLE
int hcreate_r(size_t, struct hsearch_data *);
void hdestroy_r(struct hsearch_data *);
int hsearch_r(ENTRY, ACTION, ENTRY **, struct hsearch_data *);
#endif
__END_DECLS
#endif /* !_SEARCH_H_ */
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