Winsock Name Resolution
Winsock provides a set of API functions that standardize the way applications access and use the various network naming services. When using these functions, Winsock applications need not distinguish the widely differing protocols associated with name services, such as DNS, NIS, X.500, and SAP.
See Also
Protocol-Independent Name Resolution | Compatible Name Resolution for TCP/IP in the Windows Sockets 1.1 API
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