usr/src/head/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 /*
  27  * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
  28  * Use is subject to license terms.
  29  */
  30
  31 #ifndef _SEARCH_H
  32 #define _SEARCH_H
  33
  34 #pragma ident   "%Z%%M% %I%     %E% SMI"        /* SVr4.0 1.3.1.11 */
  35
  36 #include <sys/feature_tests.h>
  37 #include <sys/types.h>
  38
  39 #ifdef  __cplusplus
  40 extern "C" {
  41 #endif
  42
  43 /* HSEARCH(3C) */
  44 typedef enum { FIND, ENTER } ACTION;
  45
  46 #if defined(__EXTENSIONS__) || !defined(_XOPEN_SOURCE)
  47 struct qelem {
  48         struct qelem    *q_forw;
  49         struct qelem    *q_back;
  50 };
  51 #endif /* defined(__EXTENSIONS__) || !defined(_XOPEN_SOURCE) */
  52
  53 typedef struct entry { char *key, *data; } ENTRY;
  54
  55 #if defined(__STDC__)
  56
  57 int hcreate(size_t);
  58 void hdestroy(void);
  59 ENTRY *hsearch(ENTRY, ACTION);
  60 #if defined(__EXTENSIONS__) || !defined(_XOPEN_SOURCE) || defined(_XPG4_2)
  61 void insque(void *, void *);
  62 void remque(void *);
  63 #endif
  64
  65 #else /* defined(__STDC__) */
  66
  67 int hcreate();
  68 void hdestroy();
  69 ENTRY *hsearch();
  70 #if defined(__EXTENSIONS__) || !defined(_XOPEN_SOURCE) || defined(_XPG4_2)
  71 void insque();
  72 void remque();
  73 #endif
  74
  75 #endif /* defined(__STDC__) */
  76
  77 /* TSEARCH(3C) */
  78 typedef enum { preorder, postorder, endorder, leaf } VISIT;
  79
  80 #if defined(__STDC__)
  81 void *tdelete(const void *_RESTRICT_KYWD, void **_RESTRICT_KYWD,
  82         int (*)(const void *, const void *));
  83 void *tfind(const void *, void *const *, int (*)(const void *, const void *));
  84 void *tsearch(const void *, void **, int (*)(const void *, const void *));
  85 void twalk(const void *, void (*)(const void *, VISIT, int));
  86 #else
  87 void *tdelete();
  88 void *tfind();
  89 void *tsearch();
  90 void twalk();
  91 #endif
  92
  93 #if defined(__STDC__)
  94
  95 #if defined(__EXTENSIONS__) || !defined(_XOPEN_SOURCE)
  96 /* BSEARCH(3C) */
  97 void *bsearch(const void *, const void *, size_t, size_t,
  98             int (*)(const void *, const void *));
  99 #endif /* defined(__EXTENSIONS__) || !defined(_XOPEN_SOURCE) */
 100
 101 /* LSEARCH(3C) */
 102 void *lfind(const void *, const void *, size_t *, size_t,
 103             int (*)(const void *, const void *));
 104 void *lsearch(const void *, void *, size_t *, size_t,
 105             int (*)(const void *, const void *));
 106 #else
 107 void *bsearch();
 108 void *lfind();
 109 void *lsearch();
 110 #endif
 111
 112 #ifdef  __cplusplus
 113 }
 114 #endif
 115
 116 #endif  /* _SEARCH_H */