Blocking read/write roblem in socket

hi guys...i am developing a message passing application using unix sockets....but the blocking nature of read/write functions is giving lot of problem...the server will keep listening for conections and when a client connects it sends to the client the list of already logged clients...i have used a structure to keep this list....but in the client this list is not getting printed...here is the code...thanx

server(after accept)
----------------------
for(;
{
rset = allset;
nready = select(maxfd + 1, &rset, NULL, NULL, NULL);

if (FD_ISSET(listenfd, &rset))
{
printf("hi in accept\n");
clientlen = sizeof(cliaddr);
connfd = accept(listenfd, (struct sockaddr *) &cliaddr, &clientlen);
printf("\nServer : Got connection from %s on descriptor \t%d",inet_ntoa(cliaddr.sin_addr),connfd);
read(connfd,input,255);
strcpy(store[no].name,input);
store[no].fd = connfd;
no++;
for(i=0;i<no;i++)
write(connfd,store[i].name,4096);
for(i=0;i<FD_SETSIZE;i++)
{
if (client[i] < 0)
{
client[i] = connfd;
break;
}
}

FD_SET(connfd, &allset);
if (connfd > maxfd)
maxfd = connfd;
if (i > maxi)
maxi = i;
if (--nready <= 0)
continue;
}
client (after connect)
------------------------

if (connect(sockfd, (struct sockaddr *)&their_addr,sizeof(struct sockaddr)) == -1)
{
perror("connect");
exit(1);
}
write(sockfd,buf2,MAX);
while(1)
{
num = read(sockfd,buf,4096);
printf("%s",buf);
if(num<=0)break;
}