>I'm coding a c library for use as a foxpro fll, and while the code all

What does your code look like?

I had a similar problem a while back; it was driving me nuts. It turns out; I was using VFP6's lib files and trying to use the library under VFP5; which it didn't like; but using vfp5's lib files the fll runs fine under 5 & 6.