This mailing list is dedicated to embedded Ethernet, not Winsock. Please try this group http://groups.google.de/group/alt.winsock.programming?lnk=srg This might be useful as well http://en.wikipedia.org/wiki/Winsock Harald At 20:44 11.09.2006 +0200, you wrote: >how can i use >winsock >Csock