|  | /* Declaration for error-reporting function | 
|  | Copyright (C) 1995-2016 Free Software Foundation, Inc. | 
|  | This file is part of the GNU C Library. | 
|  |  | 
|  | The GNU C Library is free software; you can redistribute it and/or | 
|  | modify it under the terms of the GNU Lesser General Public | 
|  | License as published by the Free Software Foundation; either | 
|  | version 2.1 of the License, or (at your option) any later version. | 
|  |  | 
|  | The GNU C Library is distributed in the hope that it will be useful, | 
|  | but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | 
|  | Lesser General Public License for more details. | 
|  |  | 
|  | You should have received a copy of the GNU Lesser General Public | 
|  | License along with the GNU C Library; if not, see | 
|  | <http://www.gnu.org/licenses/>.  */ | 
|  |  | 
|  | #ifndef _ERROR_H | 
|  | #define _ERROR_H 1 | 
|  |  | 
|  | #include <features.h> | 
|  |  | 
|  |  | 
|  | __BEGIN_DECLS | 
|  |  | 
|  | /* Print a message with `fprintf (stderr, FORMAT, ...)'; | 
|  | if ERRNUM is nonzero, follow it with ": " and strerror (ERRNUM). | 
|  | If STATUS is nonzero, terminate the program with `exit (STATUS)'.  */ | 
|  |  | 
|  | extern void error (int __status, int __errnum, const char *__format, ...) | 
|  | __attribute__ ((__format__ (__printf__, 3, 4))); | 
|  |  | 
|  | extern void error_at_line (int __status, int __errnum, const char *__fname, | 
|  | unsigned int __lineno, const char *__format, ...) | 
|  | __attribute__ ((__format__ (__printf__, 5, 6))); | 
|  |  | 
|  | /* If NULL, error will flush stdout, then print on stderr the program | 
|  | name, a colon and a space.  Otherwise, error will call this | 
|  | function without parameters instead.  */ | 
|  | extern void (*error_print_progname) (void); | 
|  |  | 
|  | /* This variable is incremented each time `error' is called.  */ | 
|  | extern unsigned int error_message_count; | 
|  |  | 
|  | /* Sometimes we want to have at most one error per line.  This | 
|  | variable controls whether this mode is selected or not.  */ | 
|  | extern int error_one_per_line; | 
|  |  | 
|  |  | 
|  | #if defined __extern_always_inline && defined __va_arg_pack | 
|  | # include <bits/error.h> | 
|  | #endif | 
|  |  | 
|  | __END_DECLS | 
|  |  | 
|  | #endif /* error.h */ |