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

Figures
2-1	TCP Socket Communication Process
2-2	UDP Socket Communication Process
3-1	I/O Status Block
3-2	Specifying an Input Parameter List
3-3	Specifying an Output Parameter List
3-4	Specifying the Local or Remote Socket Name (BSD Version 4.3)
3-5	Specifying the Local or Remote Socket Name (BSD Version 4.4)
3-6	Setting Socket Options
3-7	Setting IOCTL Parameters
3-8	Getting Socket Options
3-9	Getting IOCTL Parameters
4-1	Single Item Descriptor
Tables
1	DIGITAL TCP/IP Services for OpenVMS Documentation
1-1	Internet Definition Files --- SYS$LIBRARY:
1-2	C Socket Routine Libraries
1-3	UDP Programming Examples --- TCPIP$EXAMPLES
1-4	TCP Programming Examples --- TCPIP$EXAMPLES
2-1	TCP Server Calling Sequence and Related Routines
2-2	TCP Client Calling Sequence and Related Routines
2-3	UDP Server Calling Sequence and Related Routines
2-4	UDP Client Calling Sequence and Related Routines
2-5	OpenVMS System Service Include Files
3-1	$QIO Arguments
3-2	Internet Symbol Definition Files
3-3	$QIO Functions
3-4	Device- and Function-Independent Arguments
3-5	I/O Status Block Fields
3-6	Function-Dependent$QIO Arguments
3-7	p5 Descriptor Fields
3-8	p6 Descriptor Fields
3-9	sockaddr_in Fields
4-1	OpenVMS System Service and Equivalent C Socket Call
4-2	$GETDVI Item Code Descriptions
4-3	Symbolic Names for$GETDVI
4-4	Device Unit Status Symbolic Names
4-5	Internet I/O Function Codes
4-6	Valid INET Subfunction Codes
4-7	INET Call Codes
4-8	Valid Flags for the p4 Argument
4-9	The p6 Socket Options
4-10	TCP Options
4-11	IP Options
4-12	IOCTL Commands
4-13	Valid Protocols for IO$_SETMODE and IO$_SETCHAR
4-14	Valid Socket Types for IO$_SETMODE and IO$_SETCHAR
4-15	Communications Socket Options
4-16	TCP/IP Options
4-17	IP Options
4-18	Valid Write Flags for the p4 Argument
5-1	TCP Socket Type Descriptions
5-2	errno Values
6-1	Basic Communication Routines
6-2	Communication Support Routines
6-3	Socket Options
6-4	TCP Options
6-5	IP Options
7-1	Translation of Socket Error Codes to OpenVMS Error Codes
A-1	Location of Online Program Examples --- TCPIP$EXAMPLES: