getservbyport The Windows Sockets getservbyport function retrieves service information corresponding to a port and protocol.struct servent FAR * getservbyport ( int port, const char FAR* proto );getservbyname The Windows Sockets getservbyname function retrieves service information corresponding to a service name and protocol.struct servent FAR * getservbyname ( const char FAR * name, const char FAR * proto );
the two functions all return a pointer to a SERVENT structure The SERVENT structure is allocated by Windows Sockets. The application must never attempt to modify this structure or to free any of its components. Furthermore, only one copy of this structure is allocated per thread, so the application should copy any information it needs before issuing any other Windows Sockets function calls.
The Windows Sockets getservbyport function retrieves service information corresponding to a port and protocol.struct servent FAR * getservbyport (
int port,
const char FAR* proto
);getservbyname
The Windows Sockets getservbyname function retrieves service information corresponding to a service name and protocol.struct servent FAR * getservbyname (
const char FAR * name,
const char FAR * proto
);
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