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      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 2004 Sun Microsystems, Inc.  All rights reserved.
     24  * Use is subject to license terms.
     25  */
     26 
     27 /*
     28  * An application should not include this header directly.  Instead it
     29  * should be included only through the inclusion of <ctype.h>.
     30  *
     31  * The contents of this header is limited to identifiers specified in
     32  * the C99 standard and in conflict with the C++ implementation of the
     33  * standard header.  The C++ standard may adopt the C99 standard at
     34  * which point it is expected that the symbols included here will
     35  * become part of the C++ std namespace.
     36  */
     37 
     38 #ifndef _ISO_CTYPE_C99_H
     39 #define	_ISO_CTYPE_C99_H
     40 
     41 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     42 
     43 #ifdef	__cplusplus
     44 extern "C" {
     45 #endif
     46 
     47 /*
     48  * The following have been added as a result of the ISO/IEC 9899:1999
     49  * standard. For a strictly conforming C application, visibility is
     50  * contingent on the value of __STDC_VERSION__ (see sys/feature_tests.h).
     51  * For non-strictly conforming C applications, there are no restrictions
     52  * on the C namespace.
     53  */
     54 
     55 #if defined(__STDC__)
     56 
     57 #if (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
     58 	defined(_XPG6) || defined(_STDC_C99) || defined(__EXTENSIONS__)
     59 extern int isblank(int);
     60 #endif
     61 
     62 #if !defined(__lint)
     63 
     64 #if (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
     65 	defined(_XPG6) || defined(_STDC_C99) || \
     66 	defined(__XPG4_CHAR_CLASS__) || defined(__EXTENSIONS__)
     67 #define	isblank(c)	(__ctype_mask[(int)(c)] & _ISBLANK)
     68 #endif
     69 
     70 #endif	/* !defined(__lint) */
     71 
     72 #else	/* defined(__STDC__) */
     73 
     74 #if !defined(__lint)
     75 
     76 #define	isblank(c)	((_ctype + 1)[(int)(c)] & _B)
     77 
     78 #endif	/* !defined(__lint) */
     79 
     80 #endif	/* defined(__STDC__) */
     81 
     82 #ifdef	__cplusplus
     83 }
     84 #endif
     85 
     86 #endif	/* _ISO_CTYPE_C99_H */
     87