Function gst_ rtcp_ packet_ sdes_ first_ item 
Source pub unsafe extern "C" fn gst_rtcp_packet_sdes_first_item(
    packet: *mut GstRTCPPacket,
) -> gbooleanpub unsafe extern "C" fn gst_rtcp_packet_sdes_first_item(
    packet: *mut GstRTCPPacket,
) -> gboolean