Function r2r_rcl::rcl_take_loaned_message

source ยท 
pub unsafe extern "C" fn rcl_take_loaned_message(
    subscription: *const rcl_subscription_t,
    loaned_message: *mut *mut c_void,
    message_info: *mut rmw_message_info_t,
    allocation: *mut rmw_subscription_allocation_t,
) -> rcl_ret_t