include/search.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*      Copyright (c) 1988 AT&T */
  23 /*        All Rights Reserved   */
  24
  25 /*
  26  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
  27  *
  28  * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
  29  * Use is subject to license terms.
  30  */
  31
  32 #ifndef _SEARCH_H
  33 #define _SEARCH_H
  34
  35 #include <sys/feature_tests.h>
  36 #include <sys/types.h>
  37
  38 #ifdef  __cplusplus
  39 extern "C" {
  40 #endif
  41
  42 /* HSEARCH(3C) */
  43 typedef enum { FIND, ENTER } ACTION;
  44
  45 #if defined(__EXTENSIONS__) || !defined(_XOPEN_SOURCE)
  46 struct qelem {
  47         struct qelem    *q_forw;
  48         struct qelem    *q_back;
  49 };
  50 #endif /* defined(__EXTENSIONS__) || !defined(_XOPEN_SOURCE) */
  51
  52 typedef struct entry { char *key, *data; } ENTRY;
  53
  54 int hcreate(size_t);
  55 void hdestroy(void);
  56 ENTRY *hsearch(ENTRY, ACTION);
  57 #if defined(__EXTENSIONS__) || !defined(_XOPEN_SOURCE) || defined(_XPG4_2)
  58 void insque(void *, void *);
  59 void remque(void *);
  60 #endif
  61
  62
  63 /* TSEARCH(3C) */
  64 typedef enum { preorder, postorder, endorder, leaf } VISIT;
  65
  66 void *tdelete(const void *_RESTRICT_KYWD, void **_RESTRICT_KYWD,
  67         int (*)(const void *, const void *));
  68 void *tfind(const void *, void *const *, int (*)(const void *, const void *));
  69 void *tsearch(const void *, void **, int (*)(const void *, const void *));
  70 void twalk(const void *, void (*)(const void *, VISIT, int));
  71
  72
  73 #if defined(__EXTENSIONS__) || !defined(_XOPEN_SOURCE)
  74 /* BSEARCH(3C) */
  75 void *bsearch(const void *, const void *, size_t, size_t,
  76             int (*)(const void *, const void *));
  77 #endif /* defined(__EXTENSIONS__) || !defined(_XOPEN_SOURCE) */
  78
  79 /* LSEARCH(3C) */
  80 void *lfind(const void *, const void *, size_t *, size_t,
  81             int (*)(const void *, const void *));
  82 void *lsearch(const void *, void *, size_t *, size_t,
  83             int (*)(const void *, const void *));
  84
  85 #ifdef  __cplusplus
  86 }
  87 #endif
  88
  89 #endif  /* _SEARCH_H */