/// Prevents LyX from being killed when the close box is pressed in a popup.
extern "C" int CancelCloseBoxCB(FL_FORM *, void *);
/// Prevents LyX from being killed when the close box is pressed in a popup.
extern "C" int IgnoreCloseBoxCB(FL_FORM *, void *);
/// Prevents LyX from crashing when no buffers available
/// Prevents LyX from being killed when the close box is pressed in a popup.
extern "C" int CancelCloseBoxCB(FL_FORM *, void *);
/// Prevents LyX from being killed when the close box is pressed in a popup.
extern "C" int IgnoreCloseBoxCB(FL_FORM *, void *);
/// Prevents LyX from crashing when no buffers available