Envoy Application Programming Manual

Table Of Contents
Contents
Envoy Application Programming Manual427159-001
ix
9. Burroughs Point-To-Point Protocol
9. Burroughs Point-To-Point Protocol
Protocol Capabilities 9-1
Application Process Interface
9-2
Opening a Line
9-2
Line Contention
9-3
Retries
9-3
Timeouts
9-3
File-System Procedures
9-3
Message Formats
9-5
Normal Text
9-6
Headings
9-6
File-System Errors
9-7
Errors 162 and 171
9-8
Line Action by Procedure Call
9-9
READ Procedure
9-9
WRITE Procedure
9-12
CONTROL Procedure (Send EOT)
9-15
CONTROL Procedure (Enable RVI)
9-15
10. Asynchronous Line Supervisor Protocol
Protocol Capabilities 10-2
End of Text Character
10-2
Termination and Strip Characters
10-2
Read-Only Mode
10-3
Application Process Interface
10-4
Opening a Line
10-4
Polling by an Asynchronous Supervisor
10-4
Selecting by an Asynchronous Supervisor
10-6
Retries
10-7
Timeouts
10-7
File-System Procedures
10-8
Message Formats
10-11
File-System Errors
10-12
Line Action by Procedure Call
10-13