/* 4.4BSD utility functions for error messages.

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Copyright (C) 1995-2018 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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#ifndef _ERR_H

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#define _ERR_H 1

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#include <features.h>

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#define __need___va_list

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#include <stdarg.h>

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#ifndef __GNUC_VA_LIST

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# define __gnuc_va_list void *

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#endif

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__BEGIN_DECLS

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/* Print "program: ", FORMAT, ": ", the standard error string for errno,

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and a newline, on stderr. */

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extern void warn (const char *__format, ...)

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__attribute__ ((__format__ (__printf__, 1, 2)));

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extern void vwarn (const char *__format, __gnuc_va_list)

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__attribute__ ((__format__ (__printf__, 1, 0)));

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/* Likewise, but without ": " and the standard error string. */

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extern void warnx (const char *__format, ...)

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__attribute__ ((__format__ (__printf__, 1, 2)));

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extern void vwarnx (const char *__format, __gnuc_va_list)

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__attribute__ ((__format__ (__printf__, 1, 0)));

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/* Likewise, and then exit with STATUS. */

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extern void err (int __status, const char *__format, ...)

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__attribute__ ((__noreturn__, __format__ (__printf__, 2, 3)));

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extern void verr (int __status, const char *__format, __gnuc_va_list)

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__attribute__ ((__noreturn__, __format__ (__printf__, 2, 0)));

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extern void errx (int __status, const char *__format, ...)

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__attribute__ ((__noreturn__, __format__ (__printf__, 2, 3)));

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extern void verrx (int __status, const char *, __gnuc_va_list)

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__attribute__ ((__noreturn__, __format__ (__printf__, 2, 0)));

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__END_DECLS

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#endif /* err.h */

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