libc/src/errno/llvmlibc_errno.h

//===------------------ Implementation header for errno -------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_LIBC_SRC_ERRNO_LLVMLIBC_ERRNO_H
#define LLVM_LIBC_SRC_ERRNO_LLVMLIBC_ERRNO_H

// Internal code should use this and not use the errno macro from the
// public header.
#define llvmlibc_errno (*__llvm_libc::__errno_location())

namespace __llvm_libc {

int *__errno_location();

} // namespace __llvm_libc

#endif // LLVM_LIBC_SRC_ERRNO_LLVMLIBC_ERRNO_H