newlib/winsup/cygwin/include/search.h

77 lines
1.6 KiB
C

/*-
* Written by J.T. Conklin <jtc@netbsd.org>
* Public domain.
*
* $NetBSD: search.h,v 1.12 1999/02/22 10:34:28 christos Exp $
* $FreeBSD: src/include/search.h,v 1.10 2002/10/16 14:29:23 robert Exp $
*/
#ifndef _SEARCH_H_
#define _SEARCH_H_
#include <sys/cdefs.h>
#include <sys/types.h>
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 node
{
char *key;
struct node *llink, *rlink;
} node_t;
#endif
struct hsearch_data
{
struct internal_head *htable;
size_t htablesize;
};
struct qelem
{
struct qelem *q_forw;
struct qelem *q_back;
};
__BEGIN_DECLS
int hcreate (size_t);
void hdestroy (void);
ENTRY *hsearch (ENTRY, ACTION);
int hcreate_r (size_t, struct hsearch_data *);
void hdestroy_r (struct hsearch_data *);
int hsearch_r (ENTRY, ACTION, ENTRY **, struct hsearch_data *);
void *tdelete (const void * __restrict, void ** __restrict,
int (*) (const void *, const void *));
void tdestroy (void *, void (*)(void *));
void *tfind (const void *, void **,
int (*) (const void *, const void *));
void *tsearch (const void *, void **, int (*) (const void *, const void *));
void twalk (const void *, void (*) (const void *, VISIT, int));
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 *);
__END_DECLS
#endif /* !_SEARCH_H_ */