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dfd2257a 1/* 4.4BSD utility functions for error messages.
2b778ceb 2 Copyright (C) 1995-2021 Free Software Foundation, Inc.
ba1ffaa1 3 This file is part of the GNU C Library.
196980f5 4
ba1ffaa1 5 The GNU C Library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
196980f5 9
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10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
41bdb6e2 13 Lesser General Public License for more details.
196980f5 14
41bdb6e2 15 You should have received a copy of the GNU Lesser General Public
59ba27a6 16 License along with the GNU C Library; if not, see
5a82c748 17 <https://www.gnu.org/licenses/>. */
196980f5 18
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19#ifndef _ERR_H
20#define _ERR_H 1
21
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22#include <features.h>
23
24#define __need___va_list
25#include <stdarg.h>
26#ifndef __GNUC_VA_LIST
f17a4233 27# define __gnuc_va_list void *
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28#endif
29
30__BEGIN_DECLS
31
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32/* Print "program: ", FORMAT, ": ", the standard error string for errno,
33 and a newline, on stderr. */
a784e502 34extern void warn (const char *__format, ...)
8dab36a1 35 __attribute__ ((__format__ (__printf__, 1, 2)));
a784e502 36extern void vwarn (const char *__format, __gnuc_va_list)
8dab36a1 37 __attribute__ ((__format__ (__printf__, 1, 0)));
196980f5 38
348ed515 39/* Likewise, but without ": " and the standard error string. */
a784e502 40extern void warnx (const char *__format, ...)
8dab36a1 41 __attribute__ ((__format__ (__printf__, 1, 2)));
a784e502 42extern void vwarnx (const char *__format, __gnuc_va_list)
8dab36a1 43 __attribute__ ((__format__ (__printf__, 1, 0)));
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44
45/* Likewise, and then exit with STATUS. */
a784e502 46extern void err (int __status, const char *__format, ...)
8dab36a1 47 __attribute__ ((__noreturn__, __format__ (__printf__, 2, 3)));
a784e502 48extern void verr (int __status, const char *__format, __gnuc_va_list)
8dab36a1 49 __attribute__ ((__noreturn__, __format__ (__printf__, 2, 0)));
a784e502 50extern void errx (int __status, const char *__format, ...)
8dab36a1 51 __attribute__ ((__noreturn__, __format__ (__printf__, 2, 3)));
a784e502 52extern void verrx (int __status, const char *, __gnuc_va_list)
8dab36a1 53 __attribute__ ((__noreturn__, __format__ (__printf__, 2, 0)));
196980f5 54
e4a39992 55#include <bits/floatn.h>
e2239af3 56#if defined __LDBL_COMPAT || __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1
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57# include <bits/err-ldbl.h>
58#endif
59
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60__END_DECLS
61
62#endif /* err.h */