From: Stephen Kellett Date: 2004-12-01T04:57:53+09:00 Subject: Re: How to implement set_trace_func callback in C/C++? In message <200411301408.iAUE8n624627@moulon.inra.fr>, ts writes >S> if (v != Qnil) >S> { >S> struct BLOCK *blk; > >S> blk = (struct BLOCK *)v; > > Data_Get_Struct(v, struct BLOCK, blk); Thanks. Now to decode whats inside the block. Stephen -- Stephen Kellett Object Media Limited http://www.objmedia.demon.co.uk RSI Information: http://www.objmedia.demon.co.uk/rsi.html