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  2. RPG400-L
  3. January 2008

Re: Passing Parameters

On Jan 23, 2008 9:52 AM, Don Wereschuk <dwereschuk@xxxxxxxxxxxxxxx> wrote:

Steve: It is my understanding that an API is a procedure that must be
declared in the program before it can be used. A BIF is a procedure that
doesn't need to be declared in the program and can be used by any program
that is using the language the BIF belongs to.


that is a good definition.


They are both still external procedures.


external or internal, that is something I would think is up to the
implementation of the compiler. In ILE C, I expect some of the C runtime
functions ( memcpy ) are expanded inline by the C compiler and dont result
in calls to the service program they actually reside in. I would stick with
your concise definition that an API has to be declared in the program,
whereas the BIF does not.

-Steve

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