/* 

 * search.h

 *

 * Functions for searching and sorting.

 *

 * This file is part of the Mingw32 package.

 *

 * Contributors:

 *  Created by Danny Smith  <dannysmith@users.sourceforge.net>

 *

 *  THIS SOFTWARE IS NOT COPYRIGHTED

 *

 *  This source code is offered for use in the public domain. You may

 *  use, modify or distribute it freely.

 *

 *  This code is distributed in the hope that it will be useful but

 *  WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY

 *  DISCLAIMED. This includes but is not limited to warranties of

 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

 *

 */

#ifndef _SEARCH_H_

#define _SEARCH_H_

/* All the headers include this file. */

#include <_mingw.h>

#ifndef RC_INVOKED

#ifdef __cplusplus

extern "C" {

#endif

#ifndef _SIZE_T_DEFINED

typedef unsigned int size_t;

#define _SIZE_T_DEFINED

#endif

/* bsearch and qsort are also declared in stdlib.h */

_CRTIMP void* __cdecl bsearch (const void*, const void*, size_t, size_t, 

			       int (*)(const void*, const void*));

_CRTIMP void __cdecl qsort (void*, size_t, size_t,

			    int (*)(const void*, const void*));

_CRTIMP void* __cdecl _lfind (const void*, const void*, unsigned int*,

			      unsigned int, int (*)(const void*, const void*));

_CRTIMP void* __cdecl _lsearch (const void*, void*, unsigned int*, unsigned int,

				int (*)(const void*, const void*));

/*

Documentation for these POSIX definitions and prototypes can be found in 

The Open Group Base Specifications Issue 6

IEEE Std 1003.1, 2004 Edition.

eg:  http://www.opengroup.org/onlinepubs/009695399/functions/twalk.html

*/

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

void * __cdecl tdelete (const void * __restrict__, void ** __restrict__,

			int (*)(const void *, const void *))

			__MINGW_ATTRIB_NONNULL (1)  __MINGW_ATTRIB_NONNULL (3);

void * __cdecl tfind (const void *, void * const *,

		      int (*)(const void *, const void *))

		      __MINGW_ATTRIB_NONNULL (1)  __MINGW_ATTRIB_NONNULL (3);

void * __cdecl tsearch (const void *, void **, 

			int (*)(const void *, const void *))

			__MINGW_ATTRIB_NONNULL (1)  __MINGW_ATTRIB_NONNULL (3);

void __cdecl twalk (const void *, void (*)(const void *, VISIT, int));

#ifndef	_NO_OLDNAMES

_CRTIMP void* __cdecl lfind (const void*, const void*, unsigned int*,

			     unsigned int, int (*)(const void*, const void*));

_CRTIMP void* __cdecl lsearch (const void*, void*, unsigned int*, unsigned int,

			       int (*)(const void*, const void*));

#endif

#ifdef __cplusplus

}

#endif

#endif /* RC_INVOKED */

#endif /*  _SEARCH_H_ */