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Data Interchange Interfaces › Application Program Facilities › Using the Call Interface to Interact with Application Programs

Using the Call Interface to Interact with Application Programs

Application programs can interact with CA Spool by using the Call Interface; this interface uses all standard linkage conventions.

Application programs can interact with CA Spool by using the Call Interface; this interface uses all standard linkage conventions.

Call Interface supports the following operations on spool files:

  • Close
  • Read
  • Write
  • Open
  • Re-queue

 
  • Purge
  • Route

 

An interface to retrieve file status information about selected files is included.

Each subroutine is a one-function routine with a descriptive name.

Example:

The ESFOPEN routine is used to open a file, the ESFWRIT routine adds a record to the file, and so on.