minix/include/search.h

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/* $NetBSD: search.h,v 1.20 2013/04/27 21:35:25 joerg Exp $ */
/*
* Written by J.T. Conklin <jtc@NetBSD.org>
* Public domain.
*/
#ifndef _SEARCH_H_
#define _SEARCH_H_
#include <sys/cdefs.h>
#include <sys/featuretest.h>
#include <machine/ansi.h>
#ifdef _BSD_SIZE_T_
typedef _BSD_SIZE_T_ size_t;
#undef _BSD_SIZE_T_
#endif
typedef struct entry {
char *key;
void *data;
} ENTRY;
#ifdef _NETBSD_SOURCE
struct _ENTRY;
struct hsearch_data {
struct _ENTRY *table;
size_t size;
size_t filled;
};
#endif
typedef enum {
FIND, ENTER
} ACTION;
typedef enum {
preorder,
postorder,
endorder,
leaf
} VISIT;
#ifdef _SEARCH_PRIVATE
typedef struct node {
char *key;
struct node *llink, *rlink;
} node_t;
#endif
__BEGIN_DECLS
#ifndef __BSEARCH_DECLARED
#define __BSEARCH_DECLARED
/* also in stdlib.h */
void *bsearch(const void *, const void *, size_t, size_t,
int (*)(const void *, const void *));
#endif /* __BSEARCH_DECLARED */
int hcreate(size_t);
void hdestroy(void);
ENTRY *hsearch(ENTRY, ACTION);
#ifdef _NETBSD_SOURCE
int hcreate_r(size_t, struct hsearch_data *);
void hdestroy_r(struct hsearch_data *);
int hsearch_r(ENTRY, ACTION, ENTRY **, struct hsearch_data *);
#endif /* _NETBSD_SOURCE */
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 insque(void *, void *);
void remque(void *);
void *tdelete(const void * __restrict, void ** __restrict,
int (*)(const void *, const void *));
void *tfind(const void *, void * const *,
int (*)(const void *, const void *));
void *tsearch(const void *, void **,
int (*)(const void *, const void *));
void twalk(const void *, void (*)(const void *, VISIT, int));
__END_DECLS
#endif /* !_SEARCH_H_ */