+// some "C" wrappers around callbacks
+extern "C" void C_LyXFileDlg_FileDlgCB(FL_OBJECT *, long lArgument);
+extern "C" void C_LyXFileDlg_DoubleClickCB(FL_OBJECT *, long);
+extern "C" int C_LyXFileDlg_CancelCB(FL_FORM *, void *);
+extern "C" int C_LyXDirEntryC_ldeCompProc(const void* r1,
+ const void* r2);