xref: /titanic_41/usr/src/head/search.h (revision 3ecb07e488de89fd5a51a630f598c1e8f7542ff7)
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 */
90