1 /* 4.4BSD utility functions for error messages.
2    Copyright (C) 1995,1996,1997,1998,1999,2003 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    <http://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	__ptr_t
28 #endif
29 
30 __BEGIN_DECLS
31 
32 /* Print "program: ", FORMAT, ": ", the standard error string for errno,
33    and a newline, on stderr.  */
34 extern void warn (const char *__format, ...)
35      __attribute__ ((__format__ (__printf__, 1, 2)));
36 extern void vwarn (const char *__format, __gnuc_va_list)
37      __attribute__ ((__format__ (__printf__, 1, 0)));
38 
39 /* Likewise, but without ": " and the standard error string.  */
40 extern void warnx (const char *__format, ...)
41      __attribute__ ((__format__ (__printf__, 1, 2)));
42 extern void vwarnx (const char *__format, __gnuc_va_list)
43      __attribute__ ((__format__ (__printf__, 1, 0)));
44 
45 /* Likewise, and then exit with STATUS.  */
46 extern void err (int __status, const char *__format, ...)
47      __attribute__ ((__noreturn__, __format__ (__printf__, 2, 3)));
48 extern void verr (int __status, const char *__format, __gnuc_va_list)
49      __attribute__ ((__noreturn__, __format__ (__printf__, 2, 0)));
50 extern void errx (int __status, const char *__format, ...)
51      __attribute__ ((__noreturn__, __format__ (__printf__, 2, 3)));
52 extern void verrx (int __status, const char *, __gnuc_va_list)
53      __attribute__ ((__noreturn__, __format__ (__printf__, 2, 0)));
54 
55 __END_DECLS
56 
57 #endif	/* err.h */
58