On Mon, 2020-10-26 at 10:45 +0000, Mahesh Bodepati wrote: > i am facing the problem in passing the outparameters in postgres package calling by using c language There are no "packages" in PostgreSQL. Can you clarify your question? How is the function or procedure you are calling defined? Yours, Laurenz Albe -- Cybertec | https://www.cybertec-postgresql.com