Add extern "C" for C++.

[gnulib.git] / lib / backupfile.h

diff --git a/lib/backupfile.h b/lib/backupfile.h
index fe5e1de..346b60c 100644 (file)
--- a/lib/backupfile.h
+++ b/lib/backupfile.h
@@ -1,6 +1,6 @@
 /* backupfile.h -- declarations for making Emacs style backup file names
 
-   Copyright (C) 1990, 1991, 1992, 1997, 1998, 1999, 2003 Free
+   Copyright (C) 1990, 1991, 1992, 1997, 1998, 1999, 2003, 2004 Free
    Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
@@ -21,6 +21,11 @@
 #ifndef BACKUPFILE_H_
 # define BACKUPFILE_H_
 
+# ifdef __cplusplus
+extern "C" {
+# endif
+
+
 /* When to make backup files. */
 enum backup_type
 {
@@ -51,4 +56,9 @@ enum backup_type get_version (char const *context, char const *arg);
 enum backup_type xget_version (char const *context, char const *arg);
 void addext (char *, char const *, int);
 
+
+# ifdef __cplusplus
+}
+# endif
+
 #endif /* ! BACKUPFILE_H_ */