Function pamoja_can_frame_len 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn pamoja_can_frame_len(
    frame: *const PamojaCanFrame,
) -> usize

Returns how many payload bytes a frame carries.

A remote frame reports the length it requests while carrying no data.

Returns

The length, or 0 if frame is null.

Safety

frame must be a live handle from one of the frame constructors, or null.