Expands a compressed domain name. A client process compresses domain names to conserve space.
Compression consists of removing the longest possible previously occurring suffixes.
The resolver is a set of functions that perform a translation between domain names and network addresses. Parameters MessagePtr Specifies a pointer to the beginning of a message. EndOfMesOrig Points to the end of the original message that contains the compressed domain name. CompDomNam Specifies a pointer to a compressed domain name. Specifies a pointer to a buffer that holds the resulting expanded domain name.