Function pamoja_modbus_frame_pdu_len 

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

Returns the length in bytes of a frame’s PDU.

Returns

The length, or 0 if frame is null.

Safety

frame must be a live handle from pamoja_modbus_frame_parse, or null.