That's the exact point. Why would someone use a linked library if speed doesn't matter and they are passing text back and forth to be parsed? That's a terrible

That's the exact point. Why would someone use a linked library if speed doesn't matter and they are passing text back and forth to be parsed? That's a terrible way to use a FFI and you would still deal with all the tricky parts. If that's what you need, you would write a separate stand alone program and call that.