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+/*
+ * Copyright (C) 2007 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ * its contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef WTF_DisallowCType_h
+#define WTF_DisallowCType_h
+
+// The behavior of many of the functions in the <ctype.h> header is dependent
+// on the current locale. But almost all uses of these functions are for
+// locale-independent, ASCII-specific purposes. In WebKit code we use our own
+// ASCII-specific functions instead. This header makes sure we get a compile-time
+// error if we use one of the <ctype.h> functions by accident.
+
+#include <ctype.h>
+
+#undef isalnum
+#undef isalpha
+#undef isascii
+#undef isblank
+#undef iscntrl
+#undef isdigit
+#undef isgraph
+#undef islower
+#undef isprint
+#undef ispunct
+#undef isspace
+#undef isupper
+#undef isxdigit
+#undef toascii
+#undef tolower
+#undef toupper
+
+#define isalnum WTF_Please_use_ASCIICType_instead_of_ctype_see_comment_in_ASCIICType_h
+#define isalpha WTF_Please_use_ASCIICType_instead_of_ctype_see_comment_in_ASCIICType_h
+#define isascii WTF_Please_use_ASCIICType_instead_of_ctype_see_comment_in_ASCIICType_h
+#define isblank WTF_Please_use_ASCIICType_instead_of_ctype_see_comment_in_ASCIICType_h
+#define iscntrl WTF_Please_use_ASCIICType_instead_of_ctype_see_comment_in_ASCIICType_h
+#define isdigit WTF_Please_use_ASCIICType_instead_of_ctype_see_comment_in_ASCIICType_h
+#define isgraph WTF_Please_use_ASCIICType_instead_of_ctype_see_comment_in_ASCIICType_h
+#define islower WTF_Please_use_ASCIICType_instead_of_ctype_see_comment_in_ASCIICType_h
+#define isprint WTF_Please_use_ASCIICType_instead_of_ctype_see_comment_in_ASCIICType_h
+#define ispunct WTF_Please_use_ASCIICType_instead_of_ctype_see_comment_in_ASCIICType_h
+#define isspace WTF_Please_use_ASCIICType_instead_of_ctype_see_comment_in_ASCIICType_h
+#define isupper WTF_Please_use_ASCIICType_instead_of_ctype_see_comment_in_ASCIICType_h
+#define isxdigit WTF_Please_use_ASCIICType_instead_of_ctype_see_comment_in_ASCIICType_h
+#define toascii WTF_Please_use_ASCIICType_instead_of_ctype_see_comment_in_ASCIICType_h
+#define tolower WTF_Please_use_ASCIICType_instead_of_ctype_see_comment_in_ASCIICType_h
+#define toupper WTF_Please_use_ASCIICType_instead_of_ctype_see_comment_in_ASCIICType_h
+
+#endif