Looks up the #GType to be used when creating socket connections on sockets with the specified @family, @type and @protocol_id.
If no type is registered, the #GSocketConnection base type is returned.
a #GSocketFamily
a #GSocketType
a protocol id
Return: a #GType
2.22
See Implementation
Looks up the #GType to be used when creating socket connections on sockets with the specified @family, @type and @protocol_id.
If no type is registered, the #GSocketConnection base type is returned.