Function pamoja_lorawan_rx_payload_len 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn pamoja_lorawan_rx_payload_len(
    rx: *const PamojaLorawanRx,
) -> usize

Returns the length in bytes of the decrypted payload of a decoded frame.

Returns

The payload length, or 0 if rx is null.

Safety

rx must be a live handle from pamoja_lorawan_session_decode, or null.