No. It does not exist on my system, nor was it included with the VC6 source I have been given. After doing some searching on the web, it appears it was included as part of the install with Visual C 6, yet is mysteriously absent from VS2003 and VS2005.
a server sock s:
a client sock c:
but I can set any address and port that is pass to recvfrom () and recvfrom can receive data from client.;
so recvfrom do not use the parameter address and port ?
recvfrom(s,buf,256,0,(struct sockaddr FAR *)&from,(int FAR *)&fromlength);