Calling Pro*C program from a package", versi

    Can you provide any information/examples of
a package that calls a Pro*C program.
The package must pass several parameters to the Pro*C program.
It would be even better if the package could pass
a pointer to a C stucture.

Thanks for your help.

Don Steger 
  

    In Oracle8.0 as you have, we cannot call a Pro*C application.  We have a feature 
called "external procedures" which allows us to write a stored procedure in C 
and call it.  This C code may call back into the database using OCI -- but not 
Pro*C in version 8.0.  

In Oracle8i release 8.1 -- external procedures can be written in Pro*C as well 
as OCI.  This would statisfy your needs.

You will never be able to pass a "pointer" from a package (PLSQL) to an external 
procedure as PLSQL does not have the concept of a pointer.  You can, in 
Oracle8i, pass object types (lots like records), arrays, and scalars to external 
procedures.

See 

  

    for info on extprocs in 8.0 and 

  

    for info on this feature as it exists in Oracle8i.
 
  

            In the question, they ask about call a PRO*C from database oracle. The answer 
didn't satisfied the question. You said: Yes IT can be do it, and put some 
links. I look in the links but nothing say about it. It says only C can be 
called from external procedures, never a pro*c. Please help me and explain step 
to step how can i call a pro*c from a pl/sql???
Thanks a lot 

          

                    you write an external procedure in C (pro*c is a precompiler....)

If you have access to Expert One on One Oracle -- you have a huge example in 
that book.


See also:


                  

                    It shows that you change the way the pro*c connects, but from then on in "just 
pro*c". 
                  

Calling Pro*C program from a package", version 8.0.5