29 #ifndef _GLIBCXX_TR1_CWCTYPE 30 #define _GLIBCXX_TR1_CWCTYPE 1 32 #pragma GCC system_header 36 #ifdef _GLIBCXX_USE_WCHAR_T 38 namespace std _GLIBCXX_VISIBILITY(default)
40 _GLIBCXX_BEGIN_NAMESPACE_VERSION
44 #if _GLIBCXX_HAVE_ISWBLANK 49 _GLIBCXX_END_NAMESPACE_VERSION
52 #endif // _GLIBCXX_USE_WCHAR_T 54 #endif // _GLIBCXX_TR1_CWCTYPE ISO C++ entities toplevel namespace is std.