taglinefilesource code
urginline586net/inet/sock.csk->urginline = 1;
urginline588net/inet/sock.csk->urginline = 0;
urginline678net/inet/sock.cval = sk->urginline;
urginline857net/inet/sock.csk->urginline = 0;
urginline74net/inet/sock.hurginline,
urginline361net/inet/tcp.cif (amount && !sk->urginline && sk->urg_data &&
urginline1254net/inet/tcp.cif (sk->urginline || !sk->urg_data || sk->urg_data == URG_READ)
urginline1414net/inet/tcp.cif (!sk->urginline) {