DIGITAL TCP/IP Services for OpenVMS
System Services and C Socket Programming

Contents

Preface
Preface	Preface
Chapter 1
1	Sockets Programming Interfaces
1.1	OpenVMS System Services
1.1.1	Using 64-Bit Addresses (Alpha Only)
1.2	C Socket Interface
1.3	Location of Application Development Files
Chapter 2
2	Writing Internet Applications
2.1	The Client/Server Communication Process
2.2	Creating a Device Socket
2.2.1	Creating Device Sockets with OpenVMS System Services
2.2.2	Creating Device Sockets with the C Socket Interface
2.3	Using the Berkeley Internet Name Domain Service
2.3.1	BIND Lookups with OpenVMS System Services
2.3.2	BIND Lookups with the C Socket Interface
2.4	Binding a Socket
2.4.1	Binding Sockets with OpenVMS System Services
2.4.2	Binding Sockets with the C Socket Interface
2.5	Making a Socket a Listener (TCP Server)
2.5.1	Listening to a Socket with OpenVMS System Services
2.5.2	Listening to a Socket with a C Socket Interface
2.6	Initiating a Connection with a TCP Client
2.6.1	Initiating a Connection with OpenVMS System Services
2.6.2	Initiating a Connection with a C Socket Interface
2.7	Accepting a Connection with a TCP Server
2.7.1	Accepting a Connection Using OpenVMS System Services
2.7.2	Accepting a Connection Using a C Socket Interface
2.8	Obtaining Device Socket Information
2.8.1	Getting Device Socket Information with OpenVMS System Services
2.8.2	Getting Device Socket Information with a C Socket Interface
2.9	Reading Data
2.9.1	Reading Data with OpenVMS System Services
2.9.2	Reading Data with a C Socket Interface
2.10	Receiving IP Multicast Datagrams
2.11	Reading Out-of-Band Data (TCP)
2.11.1	Reading OOB Data with OpenVMS System Services
2.11.2	Reading OOB Data with the C Socket Interface
2.12	Peeking at Queued Messages
2.12.1	Peeking at Data with OpenVMS System Services
2.12.2	Peeking at Data with the C Socket Interface
2.13	Writing Data
2.13.1	Writing Data with OpenVMS System Services
2.13.2	Writing Data with the C Socket Interface
2.14	Writing OOB Data (TCP)
2.14.1	Writing OOB Data with OpenVMS System Services
2.14.2	Writing OOB Data with the C Socket Interface
2.15	Sending Datagrams (UDP)
2.15.1	Sending Datagrams with OpenVMS System Services
2.15.2	Sending Broadcast Datagrams with OpenVMS System Services
2.15.3	Sending Broadcast Datagrams with the C Socket Interface
2.15.4	Sending Multicast Datagrams
2.16	Closing and Deleting a Socket
2.16.1	Closing and Deleting with OpenVMS System Services
2.16.2	Closing and Deleting with the C Socket Interface
2.17	Shutting Down Sockets
2.17.1	Shutting Down a Socket with OpenVMS System Services
2.17.2	Shutting Down with a C Socket Interface
2.18	Canceling I/O Operations
2.19	Application Development Tools for OpenVMS System Services Programming
2.19.1	Include Files for OpenVMS System Services Programming
2.19.2	Data Structures for OpenVMS System Services Programming
2.19.3	Support Routines for OpenVMS System Services Programming
2.20	Compiling and Linking Compaq's C Language Programs
2.20.1	Linking Programs Using BSD Version 4.3
2.20.2	Compiling and Linking Programs Using BSD Version 4.4
Chapter 3
3	Using the $QIO System Service
3.1	$QIO System Service Variations
3.2	$QIO Syntax
3.2.1	$QIO Function-Dependent Parameters
3.3	Common $QIO Functions
3.4	$QIO Arguments
3.4.1	Device- and Function-Independent $QIO Arguments
3.4.2	Function-Dependent $QIO Arguments
3.5	Item Lists and Item List Descriptors
3.6	Specifying an Input Parameter List
3.7	Specifying an Output Parameter List
3.8	Specifying the Socket Name
3.9	Specifying Socket Options, Protocol Options, and I/O Control Parameters
Chapter 4
4	OpenVMS System Services Reference
4.1	System Service Descriptions
Command 1	$ASSIGN
Command 2	$CANCEL
Command 3	$DASSGN
Command 4	$GETDVI
Command 5	$QIO
4.2	Internet I/O Function Codes
Command 6	IO$_ACCESS
Command 7	IO$_ACPCONTROL
Command 8	IO$_DEACCESS
Command 9	IO$_READVBLK
Command 10	IO$_SENSEMODE/IO$_SENSECHAR
Command 11	IO$_SETMODE/IO$_SETCHAR
Command 12	IO$_SETMODE|IO$M_OUTBAND
Command 13	IO$_SETMODE|IO$M_READATTN
Command 14	IO$_SETMODE|IO$M_WRTATTN
Command 15	IO$_WRITEVBLK