Re: Quickest, easiest way to check for existence of a program, from ILE C?

It's possible for ILE C to call using a system pointer.   You could use 
one of the _RSLVSP MI builtins to find the program, and then if 
successful, use the pointer that it returns to make the call.

Just a thought.

On 3/3/2015 11:40 AM, James H. H. Lampert wrote:
> Would anybody happen to know the quickest, easiest way to check (from an
> ILE C program) whether a program exists, before attempting to call it?
>
> i.e., if C program FOO has:
>
>  > #pragma linkage(BAR,OS,nowiden)
>  > ...
>  > int BAR(void *);
>  > ...
>
> and wants to call:
>
>  > iretcd = BAR(baz);
>
> but ONLY if BAR actually exists on the system, what's the quickest,
> easiest, least resource-intensive way to determin whether BAR exists,
> before calling it?
>
> --
> JHHL
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