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uintn-identity.h

/* Inline functions to return unsigned integer values unchanged.
   Copyright (C) 2017-2018 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#if !defined _NETINET_IN_H && !defined _ENDIAN_H
# error "Never use <bits/uintn-identity.h> directly; include <netinet/in.h> or <endian.h> instead."
#endif

#ifndef _BITS_UINTN_IDENTITY_H
#define _BITS_UINTN_IDENTITY_H 1

#include <bits/types.h>

/* These inline functions are to ensure the appropriate type
   conversions and associated diagnostics from macros that convert to
   a given endianness.  */

static __inline __uint16_t
__uint16_identity (__uint16_t __x)
{
  return __x;
}

static __inline __uint32_t
__uint32_identity (__uint32_t __x)
{
  return __x;
}

static __inline __uint64_t
__uint64_identity (__uint64_t __x)
{
  return __x;
}

#endif /* _BITS_UINTN_IDENTITY_H.  */

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