[Coco] Re: creatdsk.c source

[Mannequin*]

tim lindner wrote:

> Mannequin* <mannslists at invigorated.org> wrote:



>>In Microware C, you didn't have to include string.h when you used the

>>string manipulation functions? Wouldn't that have added to the

>>executables size with those (and other) functions compiled in and not

>>being used?

>>

>>Anyone want to explain this for me?

> 

> Header files don't add to the executable size becuse they (usually)

> don't include any executable code. They usually only include

> declarations. Sometime they can include static data, but it is usually

> tiny. string.h doesn't contain any static data.

>

> Only calling functions defined in a header file will cause the linker to

> add the code that implements the function.


I knew that they only contained prototypes and declarations, etc. But
what I was confused about was what the linker did with that information.
I guess I forgot that it only adds the code that you use, because I was
under the impression that it included the whole library.

Thanks for the clarification. :)
-M.