xref: /illumos-gate/usr/src/stand/lib/sa/ctype.h (revision 7c478bd9)
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 2003 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
28 /*	  All Rights Reserved	*/
29 
30 #ifndef _SA_CTYPE_H
31 #define	_SA_CTYPE_H
32 
33 #pragma ident	"%Z%%M%	%I%	%E% SMI"
34 
35 /*
36  * Exported interfaces for standalone's subset of libc's <ctype.h>.
37  * All standalone code *must* use this header rather than libc's.
38  */
39 
40 #ifdef __cplusplus
41 extern "C" {
42 #endif
43 
44 #define	_U	0x00000001	/* Upper case */
45 #define	_L	0x00000002	/* Lower case */
46 #define	_N	0x00000004	/* Numeral (digit) */
47 #define	_S	0x00000008	/* Spacing character */
48 #define	_P	0x00000010	/* Punctuation */
49 #define	_C	0x00000020	/* Control character */
50 #define	_B	0x00000040	/* Blank */
51 #define	_X	0x00000080	/* heXadecimal digit */
52 
53 #define	isalpha(c)	((__ctype + 1)[c] & (_U | _L))
54 #define	isupper(c)	((__ctype + 1)[c] & _U)
55 #define	islower(c)	((__ctype + 1)[c] & _L)
56 #define	isdigit(c)	((__ctype + 1)[c] & _N)
57 #define	isxdigit(c)	((__ctype + 1)[c] & _X)
58 #define	isalnum(c)	((__ctype + 1)[c] & (_U | _L | _N))
59 #define	isspace(c)	((__ctype + 1)[c] & _S)
60 #define	ispunct(c)	((__ctype + 1)[c] & _P)
61 #define	isprint(c)	((__ctype + 1)[c] & (_P | _U | _L | _N | _B))
62 #define	isgraph(c)	((__ctype + 1)[c] & (_P | _U | _L | _N))
63 #define	iscntrl(c)	((__ctype + 1)[c] & _C)
64 #define	isascii(c)	(!((c) & ~0177))
65 
66 extern unsigned char __ctype[];
67 
68 /*
69  * Some header files define their own macros for tolower/toupper which mangle
70  * our prototypes -- thus only provide ours if no macros have been defined.
71  */
72 #ifndef tolower
73 extern int tolower(int);
74 #endif
75 #ifndef toupper
76 extern int toupper(int);
77 #endif
78 
79 #ifdef __cplusplus
80 }
81 #endif
82 
83 #endif /* _SA_CTYPE_H */
84