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1//===-- C standard library header errno.h ---------------------------------===//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_ERRNO_H10#define LLVM_LIBC_ERRNO_H11 12#include "__llvm-libc-common.h"13 14#ifdef __linux__15 16#include <linux/errno.h>17 18#ifndef ENOTSUP19#define ENOTSUP EOPNOTSUPP20#endif // ENOTSUP21 22#include "llvm-libc-macros/linux/error-number-macros.h"23 24#else // __linux__25#include "llvm-libc-macros/generic-error-number-macros.h"26#endif27 28__BEGIN_C_DECLS29 30int *__llvm_libc_errno(void) __NOEXCEPT;31 32__END_C_DECLS33 34#define errno (*__llvm_libc_errno())35 36#endif // LLVM_LIBC_ERRNO_H37