ткните по структурке...

void  tcp_initialize(struct  sockaddr_in  *address, int  Port, long  IPaddr)
    {
    address->sin_family   =  AF_INET;
    //address->sin_port  =   htons((u_short)port);
    address->sin_port  =   Port;
//    address->sin_port  =   htons((u_short)port);
    address->sin_addr.s_addr = IPaddr;
    }

......бла блабла
struct sockaddr_in source_addr, Port source_port;
tcp_initialize(&source_addr, &source_port,  inet_addr(argv[1]), atoi(argv[2]));



ругается на неё так....
c:\distr\visual studio 2005\projects\srv\srv\srv.cpp(62) : error C2660: 'tcp_initialize' : function does not take 4 arguments