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What happened to the Networking Services Specification (XNS)?

April 26, 2017happened networking Services specification xns

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What happened to the Networking Services Specification (XNS)?

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Unlike previous versions of the Single UNIX Specification, for Version 3 the Networking Services have now been integrated into the Base Specifications. This includes sockets and IP address resolution interfaces. The X/Open Transport Interface (XTI) is no longer a requirement in Version 3 of the Single UNIX Specification. As with other functions in XSH, the application developer needs to define {_XOPEN_SOURCE} to be 600 prior to the inclusion of any Single UNIX Specification headers. The c99 compiler utilities recognize the additional -l operand for the xnet library.