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diff --git a/gcc/brig/brig-c.h b/gcc/brig/brig-c.h
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+/* brig-c.h -- Header file for brig input's gcc C interface.
+   Copyright (C) 2016 Free Software Foundation, Inc.
+   Contributed by Pekka Jaaskelainen <pekka.jaaskelainen@parmance.com>
+   for General Processor Tech.
+
+This file is part of GCC.
+
+GCC 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, or (at your option) any later
+version.
+
+GCC 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 GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+#ifndef BRIG_BRIG_C_H
+#define BRIG_BRIG_C_H
+
+#define BRIG_EXTERN_C
+
+#include "machmode.h"
+
+/* Functions defined in the Brig frontend proper called by the GCC
+   interface.  */
+
+extern int brig_enable_dump (const char *);
+extern int brig_enable_optimize (const char *);
+
+extern void brig_add_search_path (const char *);
+
+extern void brig_create_brigbrig (int int_type_size, int pointer_size,
+				  const char *pkgpath, const char *prefix,
+				  const char *relative_import_path);
+
+extern void brig_parse_input_files (const char **, unsigned int,
+				    bool only_check_syntax,
+				    bool require_return_statement);
+extern void brig_write_globals (void);
+
+extern tree brig_type_for_size (unsigned int bits, int unsignedp);
+extern tree brig_type_for_mode (enum machine_mode, int unsignedp);
+
+/* Functions defined in the GCC interface called by the Brig frontend
+   proper.  */
+
+extern void brig_preserve_from_gc (tree);
+
+extern const char *brig_localize_identifier (const char *);
+
+extern unsigned int brig_field_alignment (tree);
+
+extern void brig_trampoline_info (unsigned int *size, unsigned int *alignment);
+
+extern void brig_imported_unsafe (void);
+
+extern void brig_write_export_data (const char *, unsigned int);
+
+extern const char *brig_read_export_data (int, off_t, char **, size_t *, int *);
+
+#endif /* !defined (BRIG_BRIG_C_H) */