2 //===---------------------------- ctype.h ---------------------------------===//
4 // The LLVM Compiler Infrastructure
6 // This file is dual licensed under the MIT and the University of Illinois Open
7 // Source Licenses. See LICENSE.TXT for details.
9 //===----------------------------------------------------------------------===//
11 #ifndef _LIBCPP_CTYPE_H
12 #define _LIBCPP_CTYPE_H
19 int isblank(int c); // C99
35 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
36 #pragma GCC system_header
39 #include_next <ctype.h>
43 #if defined(_LIBCPP_MSVCRT)
44 // We support including .h headers inside 'extern "C"' contexts, so switch
45 // back to C++ linkage before including these C++ headers.
47 #include "support/win32/support.h"
48 #include "support/win32/locale_win32.h"
50 #endif // _LIBCPP_MSVCRT
69 #endif // _LIBCPP_CTYPE_H