Fills in body's data field with a buffer containing all of the data in body.
Adds an additional \0 byte not counted by body's length field.
a #GBytes containing the same data as body. (You must glib.bytes.Bytes.unref this if you do not want it.)
Fills in body's data field with a buffer containing all of the data in body.
Adds an additional \0 byte not counted by body's length field.