xref: /illumos-gate/usr/src/uts/common/sys/ctype.h (revision 581cede61ac9c14d8d4ea452562a567189eead78)
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 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef	_SYS_CTYPE_H
28 #define	_SYS_CTYPE_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #include <sys/types.h>
33 
34 #ifdef	__cplusplus
35 extern "C" {
36 #endif
37 
38 #define	ISDIGIT(_c) \
39 	((_c) >= '0' && (_c) <= '9')
40 
41 #define	ISXDIGIT(_c) \
42 	(ISDIGIT(_c) || \
43 	((_c) >= 'a' && (_c) <= 'f') || \
44 	((_c) >= 'A' && (_c) <= 'F'))
45 
46 #define	ISLOWER(_c) \
47 	((_c) >= 'a' && (_c) <= 'z')
48 
49 #define	ISUPPER(_c) \
50 	((_c) >= 'A' && (_c) <= 'Z')
51 
52 #define	ISALPHA(_c) \
53 	(ISUPPER(_c) || \
54 	ISLOWER(_c))
55 
56 #define	ISALNUM(_c) \
57 	(ISALPHA(_c) || \
58 	ISDIGIT(_c))
59 
60 #define	ISSPACE(_c) \
61 	((_c) == ' ' || \
62 	(_c) == '\t' || \
63 	(_c) == '\r' || \
64 	(_c) == '\n')
65 
66 static boolean_t
67 isdigit(char c)
68 {
69 	return (ISDIGIT(c));
70 }
71 #pragma inline(isdigit)
72 
73 static boolean_t
74 isxdigit(char c)
75 {
76 	return (ISXDIGIT(c));
77 }
78 #pragma inline(isdigit)
79 
80 static boolean_t
81 islower(char c)
82 {
83 	return (ISLOWER(c));
84 }
85 #pragma inline(islower)
86 
87 static boolean_t
88 isupper(char c)
89 {
90 	return (ISUPPER(c));
91 }
92 #pragma inline(isupper)
93 
94 static boolean_t
95 isalpha(char c)
96 {
97 	return (ISALPHA(c));
98 }
99 #pragma inline(isalpha)
100 
101 static boolean_t
102 isalnum(char c)
103 {
104 	return (ISALNUM(c));
105 }
106 #pragma inline(isalnum)
107 
108 static boolean_t
109 isspace(char c)
110 {
111 	return (ISSPACE(c));
112 }
113 #pragma inline(isspace)
114 
115 #ifdef	__cplusplus
116 }
117 #endif
118 
119 #endif	/* _SYS_CTYPE_H */
120