/* Copyright (C) 1991-2018 Free Software Foundation, Inc.

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This file is part of the GNU C Library.

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The GNU C Library is free software; you can redistribute it and/or

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modify it under the terms of the GNU Lesser General Public

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License as published by the Free Software Foundation; either

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version 2.1 of the License, or (at your option) any later version.

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The GNU C Library is distributed in the hope that it will be useful,

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but WITHOUT ANY WARRANTY; without even the implied warranty of

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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

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Lesser General Public License for more details.

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You should have received a copy of the GNU Lesser General Public

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License along with the GNU C Library; if not, see

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<http://www.gnu.org/licenses/>. */

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/*

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* ISO C99 Standard: 7.5 Errors <errno.h>

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*/

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#ifndef _ERRNO_H

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#define _ERRNO_H 1

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#include <features.h>

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/* The system-specific definitions of the E* constants, as macros. */

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#include <bits/errno.h>

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/* When included from assembly language, this header only provides the

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E* constants. */

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#ifndef __ASSEMBLER__

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__BEGIN_DECLS

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/* The error code set by various library functions. */

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extern int *__errno_location (void) __THROW __attribute_const__;

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# define errno (*__errno_location ())

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# ifdef __USE_GNU

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/* The full and simple forms of the name with which the program was

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invoked. These variables are set up automatically at startup based on

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the value of argv[0]. */

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extern char *program_invocation_name;

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extern char *program_invocation_short_name;

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#include <bits/types/error_t.h>

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# endif /* __USE_GNU */

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__END_DECLS

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#endif /* !__ASSEMBLER__ */

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#endif /* errno.h */

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