Compaq TCP/IP Services for OpenVMS

This manual provides comprehensive documentation for programmers developing network applications in the OpenVMS environment. It covers: - Two main programming interfaces: BSD Sockets API and OpenVMS system services ($QIO). - Programming tasks including creating, binding, and listening for sockets, handling connections, and data transfer. - Reference sections for Sockets API functions and OpenVMS system service I/O codes. - Programming examples for TCP and UDP protocols. - Details on socket options and error codes.