Function pamoja_modbus_frame_pdu 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn pamoja_modbus_frame_pdu(
    frame: *const PamojaModbusFrame,
) -> *const u8

Returns a pointer to a frame’s PDU: the function code and its data, without the address or the CRC.

Use pamoja_modbus_frame_pdu_len for the length. The pointer is valid until the handle is freed.

Returns

A pointer to the PDU, or null if frame is null.

Safety

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