> > In the include file !
> 
> No, declarations appear in the include file, not definitions.  The
> definitions are in p18F4550.asm in the src/.../proc directory.
> 
> (I am assuming we're talking about C18, and that the OP meant
> p18f4550.h, not p18f4550.f).

Sorry, it was .h not .f, but you guessed correctly. I do know
that the definitions are found in the .asm file, but .asm is for
assembler programmers, in C with have to have it as well, so
unless it is hiding in some library, it is missing..
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