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56 lines
1.6 KiB
56 lines
1.6 KiB
3 years ago
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/* Copyright (C) 1991-2021 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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<https://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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