#include "def"
#define MAXIDLETIME     1

main(argc, argv )
int argc;
char *argv[];

{
   int   sendsock;
   struct   sockaddr_in  dest;
   struct sockaddr_in cliaddr;
   int len;
   int i;

   char Answer[1024];
   char *Question;

   sendsock = socket (AF_INET,SOCK_SEQPACKET,IPPROTO_SCTP);

   i = MAXIDLETIME;
   setsockopt(sendsock, IPPROTO_SCTP, SCTP_AUTOCLOSE, &i, sizeof (i)) ;
   listen(sendsock, 1);

   dest.sin_family = AF_INET;
   dest.sin_addr.s_addr = inet_addr(argv[1]);
   dest.sin_port =  htons(atoi(argv[2]));
   Question = argv[3];

   sendto(sendsock, Question,strlen(Question),0, (SA*)&dest, sizeof(dest));

   memset(Answer, '\0', 1024);
   len = sizeof(cliaddr);
   recvfrom (sendsock, Answer, sizeof(Answer), 0, (SA *) &cliaddr, &len);
   printf("%s\n", Answer);
}