2 //===----------------------------------------------------------------------===//
4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5 // See https://llvm.org/LICENSE.txt for license information.
6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
8 //===----------------------------------------------------------------------===//
10 #ifndef _LIBCPP_CTYPE_H
11 #define _LIBCPP_CTYPE_H
18 int isblank(int c); // C99
34 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
35 # pragma GCC system_header
38 #if __has_include_next(<ctype.h>)
39 # include_next <ctype.h>
61 #endif // _LIBCPP_CTYPE_H