Converts the data in the message to bytes placed in the message.
@data is guaranteed to have enough space to fit the size returned by g_socket_control_message_get_size() on this object.
A buffer to write data to
2.22
See Implementation
Converts the data in the message to bytes placed in the message.
@data is guaranteed to have enough space to fit the size returned by g_socket_control_message_get_size() on this object.