WSAGetServiceClassNameByServiceClassId
The Windows
Sockets WSAGetServiceClassNameByServiceClassId function returns the name
of the service associated with the given type. This name is the generic service
name, like FTP or SNA, and not the name of a specific instance of that service.
INT WSAGetServiceClassNameByServiceClassId(
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LPGUID lpServiceClassId, |
|
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LPTSTR lpszServiceClassName, |
|
|
LPDWORD lpdwBufferLength |
|
|
); |
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Parameters
lpServiceClassId
[in] Pointer
to the GUID for the service class.
lpszServiceClassName
[out] Sevice
name.
lpdwBufferLength
[in/out] On
input length of buffer returned by lpszServiceClassName. On output, the
length of the service name copied into lpszServiceClassName.
Return Values
The return
value is zero if the operation was successful. Otherwise, the value
SOCKET_ERROR is returned, and a specific error number may be retrieved by
calling WSAGetLastError.
Error Codes
|
WSAEFAULT |
The
specified ServiceClassName buffer is too small. Pass in a larger buffer |
|
WSA_INVALID_PARAMETER |
the
specified ServiceClassId is invalid. |
|
WSANOTINITIALIZED |
The Windows
Sockets 2 DLL has not been initialized. The application must first call WSAStartup
before calling any Windows Sockets functions. |