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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 2003 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 other Sun headers.
     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_WCTYPE_C99_H
     39 #define	_ISO_WCTYPE_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 /*
     56  * Visibility of the iswblank() function is not allowed in the X/Open
     57  * or POSIX namespace prior to SUSv3.  However, since SUSv3 aligns
     58  * with the C99 standard, visibility is controlled by the version of
     59  * the C standard as indicated by the value of __STDC_VERSION__ (see
     60  * sys/feature_tests.h and _STDC_C99) rather than if the X/Open or POSIX
     61  * feature test macros are used.  Conforming SUSv3 applications are
     62  * required to use c99, therefore, iswblank() will be made visible by
     63  * default.
     64  */
     65 
     66 #if (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
     67 	defined(_STDC_C99) || defined(__EXTENSIONS__)
     68 #ifdef __STDC__
     69 extern int iswblank(wint_t);
     70 #else
     71 extern int iswblank();
     72 #endif
     73 #endif /* defined(__EXTENSIONS__)... */
     74 
     75 #ifdef	__cplusplus
     76 }
     77 #endif
     78 
     79 #endif	/* _ISO_WCTYPE_C99_H */
     80