-extern (C) void onAssertError( char[] file, size_t line );
-extern (C) void onAssertErrorMsg( char[] file, size_t line, char[] msg );
-extern (C) void onArrayBoundsError( char[] file, size_t line );
-extern (C) void onSwitchError( char[] file, size_t line );
+extern (C) void onAssertError( string file, size_t line );
+extern (C) void onAssertErrorMsg( string file, size_t line, string msg );
+extern (C) void onArrayBoundsError( string file, size_t line );
+extern (C) void onSwitchError( string file, size_t line );