Part 2 defines the Sockets interface. Part 3 defines the XTI interface. Part 4 includes API mapping information to other transport providers, and other guidance for implementers. Italic strings are used for emphasis or to identify the first instance of a word requiring definition. Names without parentheses are C external variables, C function family names, utility names, command operands or command option-arguments.
Normal font is used for the names of constants and literals.
Syntax, code examples and user input in interactive examples are shown in fixed width font. SNA is a product of International Business Machines Corporation. The Institution of Electrical and Electronics Engineers, Inc. for permission to reproduce portions of its copyrighted material. Technical Committee's Internationalization Subcommittee for work on internationalised regular expressions. The ANSI X3J11 Committees.