Trapping home and end keys in 2.1

Here's a blast from the past I have a client with Informix 2.10.03F ( remember that ? ) We need to trap the END and HOME keys in an input form in 4GL so that pressing these keys will do nothing at all instead of faffing the screen up. I would of thought that I can trap the termcap entry EN and kh and remap them to nothing but this does not seem to work Anyone resolved this ? Either reply here or to windata@dircon.co.uk Thanks as always Terry