taglinefilesource code
urginline563net/inet/af_inet.csk->urginline = 0;
urginline187net/inet/sock.csk->urginline = 1;
urginline189net/inet/sock.csk->urginline = 0;
urginline282net/inet/sock.cval = sk->urginline;
urginline74net/inet/sock.hurginline,
urginline334net/inet/tcp.cif (amount && !sk->urginline && sk->urg_data &&
urginline1274net/inet/tcp.cif (sk->urginline || !sk->urg_data || sk->urg_data == URG_READ)
urginline1423net/inet/tcp.cif (!sk->urginline) {