SO_KEEPALIVE      310 source3/lib/util_sock.c   {"SO_KEEPALIVE", SOL_SOCKET, SO_KEEPALIVE, 0, OPT_BOOL},
SO_KEEPALIVE      495 source4/lib/socket/socket.c   {"SO_KEEPALIVE",      SOL_SOCKET,    SO_KEEPALIVE,    0,                 OPT_BOOL},