udpcli08.c 447 B

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  1. #include "unp.h"
  2. int
  3. main(int argc, char **argv)
  4. {
  5. int sockfd;
  6. struct sockaddr_in servaddr;
  7. if (argc != 2)
  8. err_quit("usage: udpcli <IPaddress>");
  9. bzero(&servaddr, sizeof(servaddr));
  10. servaddr.sin_family = AF_INET;
  11. servaddr.sin_port = htons(9); /* discard server */
  12. Inet_pton(AF_INET, argv[1], &servaddr.sin_addr);
  13. sockfd = Socket(AF_INET, SOCK_DGRAM, 0);
  14. dg_cli(stdin, sockfd, (SA *) &servaddr, sizeof(servaddr));
  15. exit(0);
  16. }