1/* 4.4BSD utility functions for error messages.
 2   Copyright (C) 1995-2025 Free Software Foundation, Inc.
 3   This file is part of the GNU C Library.
 4
 5   The GNU C Library is free software; you can redistribute it and/or
 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.
 9
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
13   Lesser General Public License for more details.
14
15   You should have received a copy of the GNU Lesser General Public
16   License along with the GNU C Library; if not, see
17   <https://www.gnu.org/licenses/>.  */
18
19#ifndef	_ERR_H
20#define	_ERR_H	1
21
22#include <features.h>
23
24#define	__need___va_list
25#include <stdarg.h>
26#ifndef	__GNUC_VA_LIST
27# define __gnuc_va_list	void *
28#endif
29
30__BEGIN_DECLS
31
32/* Print "program: ", FORMAT, ": ", the standard error string for errno,
33   and a newline, on stderr.  */
34extern void warn (const char *__format, ...)
35     __attribute__ ((__format__ (__printf__, 1, 2))) __COLD;
36extern void vwarn (const char *__format, __gnuc_va_list)
37     __attribute__ ((__format__ (__printf__, 1, 0))) __COLD;
38
39/* Likewise, but without ": " and the standard error string.  */
40extern void warnx (const char *__format, ...)
41     __attribute__ ((__format__ (__printf__, 1, 2)));
42extern void vwarnx (const char *__format, __gnuc_va_list)
43     __attribute__ ((__format__ (__printf__, 1, 0)));
44
45/* Likewise, and then exit with STATUS.  */
46extern void err (int __status, const char *__format, ...)
47     __attribute__ ((__noreturn__, __format__ (__printf__, 2, 3))) __COLD;
48extern void verr (int __status, const char *__format, __gnuc_va_list)
49     __attribute__ ((__noreturn__, __format__ (__printf__, 2, 0))) __COLD;
50extern void errx (int __status, const char *__format, ...)
51     __attribute__ ((__noreturn__, __format__ (__printf__, 2, 3))) __COLD;
52extern void verrx (int __status, const char *, __gnuc_va_list)
53     __attribute__ ((__noreturn__, __format__ (__printf__, 2, 0))) __COLD;
54
55#include <bits/floatn.h>
56#if defined __LDBL_COMPAT || __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1
57# include <bits/err-ldbl.h>
58#endif
59
60__END_DECLS
61
62#endif	/* err.h */