void Tcp_test(void)
{
int retval, res;
int maxfdp;
fd_set rfds;
struct timeval tv;
char *start = "send test OK!!";
char buffer[100] ={0, };
maxfdp = fd_sock + 1;
FD_ZERO(&rfds);
//5초기다린다
tv.tv_sec =5;
tv.tv_usec =0;
/* if(res = recv(fd_sock, buffer, sizeof(buffer), 0)){
buffer[res] = '\0';
printf("msg_peek :[%s]\n", buffer);
}*/
// while(1){
FD_SET(maxfdp, &rfds);
if(retval = select(maxfdp, &rfds, NULL, NULL, &tv) < 0) {
printf("select error\n");
exit(0);
}
if (FD_ISSET(maxfdp, &rfds)) {
