1Build steps: 21. aclocal 32. automake --add-missing 43. ./configure 54. make 6 7Run: 8./src/phddns -h 9 10Advanced: 111. The key in src/phkey.h is just for test, please goto http://open.oray.com to get your own code. 122. Interactive code are in phruncall.*, this can be removed if you just want core functioning of phddns 133. You shouldn't change UDP keepalive behaviours, or you device will be rejected some day. 14