Writing IDL and other definition files

[Jeff L]

Robert Shearman wrote:
> Jeff L wrote:
>> I am looking at writing a piece of IDL and a header file I am 
>> wrestling with how to do it without infringing copyright.  IDL looks 
>> particularly hard to write from first principles and is probably hard 
>> to write in a different way as the functions being implemented are 
>> defined and require IDL similar code.  Is there any advice as to what 
>> type of code can be copied and what constitutes a rewrite to avoid 
>> copyright?
> Obviously, the function names and parameter order and types have to be 
> the same. The function attributes also have to be the same. However, 
> the order of attributes, indentation and the parameter names can be 
> different.
Seems too simple but I will give it a whirl.