[□]
[□=□]
[□ & □]
To solve this problem , all you need to do is install a Control-C ( SIGINT ) signal handler that resets the Ethernet flags to their previous value ( which you will have saved just before ORing with IFF_PROMISC ) before exiting the program . Since homing is done by pip matching , as is illustrated above [ top image ] , rooster operations are difficult with the ordinary IFF transpondors that sweep a relatively wide frequency band at a slow rate . Proposals put forward during the discussions included : facilitating implementation of the IPF / IFF Proposals for Action ; a new web-based clearinghouse ; enhancing major group participation ; and considering a regional approach and strengthening regional activities . A monic polynomial p ( x ) of degree 2 * n , with real coefficients , is positive on the real line iff it is the sum of a positive constant and of a list of squares of polynomials of strictly decreasing degrees ( the condition being vacuous if there is only one such square ) . There are provisions for IFF connections for identification of targets .