Looks up the GType to be used when creating socket connections on sockets with the specified family, type and protocol.
If no type is registered, the gio.SocketConnection base type is returned.
a GType, inheriting from G_TYPE_SOCKET_CONNECTION
a GSocketFamily
a GSocketType
a protocol id
2.22
Looks up the GType to be used when creating socket connections on sockets with the specified family, type and protocol.
If no type is registered, the gio.SocketConnection base type is returned.