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+/* error.h -- External declarations of functions appearing in error.c. */
+
+/* Copyright (C) 1993-2020 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Bash 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#if !defined (_ERROR_H_)
+#define _ERROR_H_
+
+#include "stdc.h"
+
+/* Get the name of the shell or shell script for an error message. */
+extern char *get_name_for_error PARAMS((void));
+
+/* Report an error having to do with FILENAME. */
+extern void file_error PARAMS((const char *));
+
+/* Report a programmer's error, and abort. Pass REASON, and ARG1 ... ARG5. */
+extern void programming_error PARAMS((const char *, ...)) __attribute__((__format__ (printf, 1, 2)));
+
+/* General error reporting. Pass FORMAT and ARG1 ... ARG5. */
+extern void report_error PARAMS((const char *, ...)) __attribute__((__format__ (printf, 1, 2)));
+
+/* Error messages for parts of the parser that don't call report_syntax_error */
+extern void parser_error PARAMS((int, const char *, ...)) __attribute__((__format__ (printf, 2, 3)));
+
+/* Report an unrecoverable error and exit. Pass FORMAT and ARG1 ... ARG5. */
+extern void fatal_error PARAMS((const char *, ...)) __attribute__((__format__ (printf, 1, 2)));
+
+/* Report a system error, like BSD warn(3). */
+extern void sys_error PARAMS((const char *, ...)) __attribute__((__format__ (printf, 1, 2)));
+
+/* Report an internal error. */
+extern void internal_error PARAMS((const char *, ...)) __attribute__((__format__ (printf, 1, 2)));
+
+/* Report an internal warning. */
+extern void internal_warning PARAMS((const char *, ...)) __attribute__((__format__ (printf, 1, 2)));
+
+/* Report an internal warning for debugging purposes. */
+extern void internal_debug PARAMS((const char *, ...)) __attribute__((__format__ (printf, 1, 2)));
+
+/* Report an internal informational notice. */
+extern void internal_inform PARAMS((const char *, ...)) __attribute__((__format__ (printf, 1, 2)));
+
+/* Debugging functions, not enabled in released version. */
+extern char *strescape PARAMS((const char *));
+extern void itrace PARAMS((const char *, ...)) __attribute__ ((__format__ (printf, 1, 2)));
+extern void trace PARAMS((const char *, ...)) __attribute__ ((__format__ (printf, 1, 2)));
+
+/* Report an error having to do with command parsing or execution. */
+extern void command_error PARAMS((const char *, int, int, int));
+
+extern char *command_errstr PARAMS((int));
+
+/* Specific error message functions that eventually call report_error or
+ internal_error. */
+
+extern void err_badarraysub PARAMS((const char *));
+extern void err_unboundvar PARAMS((const char *));
+extern void err_readonly PARAMS((const char *));
+
+#ifdef DEBUG
+# define INTERNAL_DEBUG(x) internal_debug x
+#else
+# define INTERNAL_DEBUG(x)
+#endif
+
+#endif /* !_ERROR_H_ */