User-Defined Communications Support APIs

User-defined communications support is made up of seven callable APIs that provide services for a user-defined communications application program.

The user-defined communications Support APIs are:

• Disable Link (QOLDLINK) disables one or all links.
• Enable Link (QOLELINK) enables link for input and output.
• Query Line Description (QOLQLIND) queries an existing line description.
• Receive Data (QOLRECV) receives data from the link.
• Send Data (QOLSEND) sends data from the link.
• Set Filter (QOLSETF) activates or deactivates filters.
• Set Timer (QOLTIMER) sets or cancels a timer.