1 //===-- Implementation of isalpha------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "src/ctype/isalpha.h" 10 11 #include "src/__support/common.h" 12 #include "src/__support/ctype_utils.h" 13 #include "src/__support/macros/config.h" 14 15 namespace LIBC_NAMESPACE_DECL { 16 17 LLVM_LIBC_FUNCTION(int, isalpha, (int c)) { 18 return static_cast<int>(internal::isalpha(static_cast<unsigned>(c))); 19 } 20 21 } // namespace LIBC_NAMESPACE_DECL 22