pub unsafe extern "C" fn xb_machine_add_method(
self_: *mut XbMachine,
name: *const c_char,
n_opcodes: c_uint,
method_cb: XbMachineMethodFunc,
user_data: gpointer,
user_data_free: GDestroyNotify,
)pub unsafe extern "C" fn xb_machine_add_method(
self_: *mut XbMachine,
name: *const c_char,
n_opcodes: c_uint,
method_cb: XbMachineMethodFunc,
user_data: gpointer,
user_data_free: GDestroyNotify,
)