pub unsafe extern "C" fn BNWorkflowRegisterActivity(
workflow: *mut BNWorkflow,
activity: *mut BNActivity,
subactivities: *mut *const c_char,
size: usize,
) -> *mut BNActivitypub unsafe extern "C" fn BNWorkflowRegisterActivity(
workflow: *mut BNWorkflow,
activity: *mut BNActivity,
subactivities: *mut *const c_char,
size: usize,
) -> *mut BNActivity