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1//===-- Implementation header for tolower -------------------------*-C++-*-===//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-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef LLVM_LIBC_SRC_CTYPE_TOLOWER_H10#define LLVM_LIBC_SRC_CTYPE_TOLOWER_H11 12#include "src/__support/macros/config.h"13 14namespace LIBC_NAMESPACE_DECL {15 16int tolower(int c);17 18} // namespace LIBC_NAMESPACE_DECL19 20#endif // LLVM_LIBC_SRC_CTYPE_TOLOWER_H21