Oli Glaser wrote: > I got by for ages with the K&R book and the manual for whatever > compiler I was using,=20 Ditto, with the addition of the C language standard. It is helpful to know what parts are standardized -- if you are working with a compiler that is reasonably compliant (with this I mean that all deviations and implementation-defined items are documented). Not all PIC compilers are "reasonably compliant" in this sense. Gerhard --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .