GetUniDirectionalAdapterInfo

The GetUniDirectionalAdapterInfo function retrieves information about the unidirectional adapters installed on the local computer. A unidirectional adapter is an adapter that can receive datagrams, but not transmit them.

DWORD GetUniDirectionalAdapterInfo(
  PIP_UNIDIRECTIONAL_ADAPTER_ADDRESS pIPIfInfo,
  PULONG dwOutBufLen
);

Parameters

pIPIfInfo

[out] Pointer to an IP_UNIDIRECTIONAL_ADAPTER_ADDRESS structure that receives information about the unidirectional adapters installed on the local computer.

dwOutBufLen

[out] Pointer to a ULONG variable that, on successful return, contains the size of the structure pointed to by the pIPIfInfo parameter.

Return Values

If the function succeeds, the return value is NO_ERROR.

If the function fails, use FormatMessage to obtain the message string for the returned error.

Requirements

  Windows NT/2000: Unsupported.
  Windows 95/98: Requires Windows 98.
  Header: Declared in Iphlpapi.h.
  Library: Use Iphlpapi.lib.

See Also

IP_UNIDIRECTIONAL_ADAPTER_ADDRESS