<ctype.h> functions' behaviour depends on the current locale set via
setlocale.
- Copyright (C) 2000-2003, 2006, 2008-2010 Free Software Foundation, Inc.
+ Copyright (C) 2000-2003, 2006, 2008-2013 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software Foundation,
-Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+along with this program; if not, see <http://www.gnu.org/licenses/>. */
#ifndef C_CTYPE_H
#define C_CTYPE_H
if (c_isalpha (*s)) ...
*/
-extern bool c_isascii (int c); /* not locale dependent */
+extern bool c_isascii (int c) _GL_ATTRIBUTE_CONST; /* not locale dependent */
-extern bool c_isalnum (int c);
-extern bool c_isalpha (int c);
-extern bool c_isblank (int c);
-extern bool c_iscntrl (int c);
-extern bool c_isdigit (int c);
-extern bool c_islower (int c);
-extern bool c_isgraph (int c);
-extern bool c_isprint (int c);
-extern bool c_ispunct (int c);
-extern bool c_isspace (int c);
-extern bool c_isupper (int c);
-extern bool c_isxdigit (int c);
+extern bool c_isalnum (int c) _GL_ATTRIBUTE_CONST;
+extern bool c_isalpha (int c) _GL_ATTRIBUTE_CONST;
+extern bool c_isblank (int c) _GL_ATTRIBUTE_CONST;
+extern bool c_iscntrl (int c) _GL_ATTRIBUTE_CONST;
+extern bool c_isdigit (int c) _GL_ATTRIBUTE_CONST;
+extern bool c_islower (int c) _GL_ATTRIBUTE_CONST;
+extern bool c_isgraph (int c) _GL_ATTRIBUTE_CONST;
+extern bool c_isprint (int c) _GL_ATTRIBUTE_CONST;
+extern bool c_ispunct (int c) _GL_ATTRIBUTE_CONST;
+extern bool c_isspace (int c) _GL_ATTRIBUTE_CONST;
+extern bool c_isupper (int c) _GL_ATTRIBUTE_CONST;
+extern bool c_isxdigit (int c) _GL_ATTRIBUTE_CONST;
-extern int c_tolower (int c);
-extern int c_toupper (int c);
+extern int c_tolower (int c) _GL_ATTRIBUTE_CONST;
+extern int c_toupper (int c) _GL_ATTRIBUTE_CONST;
-#if defined __GNUC__ && defined __OPTIMIZE__ && !defined __OPTIMIZE_SIZE__ && !defined NO_C_CTYPE_MACROS
+#if (defined __GNUC__ && !defined __STRICT_ANSI__ && defined __OPTIMIZE__ \
+ && !defined __OPTIMIZE_SIZE__ && !defined NO_C_CTYPE_MACROS)
/* ASCII optimizations. */