tcpcli03.lc 1.3 KB

1234567891011121314151617181920212223242526272829
  1. #include "unp.h"## 1 ##src/nonblock/tcpcli03.c##
  2. int## 2 ##src/nonblock/tcpcli03.c##
  3. main(int argc, char **argv)## 3 ##src/nonblock/tcpcli03.c##
  4. {## 4 ##src/nonblock/tcpcli03.c##
  5. int sockfd;## 5 ##src/nonblock/tcpcli03.c##
  6. struct linger ling;## 6 ##src/nonblock/tcpcli03.c##
  7. struct sockaddr_in servaddr;## 7 ##src/nonblock/tcpcli03.c##
  8. if (argc != 2)## 8 ##src/nonblock/tcpcli03.c##
  9. err_quit("usage: tcpcli <IPaddress>");## 9 ##src/nonblock/tcpcli03.c##
  10. sockfd = Socket(AF_INET, SOCK_STREAM, 0);## 10 ##src/nonblock/tcpcli03.c##
  11. bzero(&servaddr, sizeof(servaddr));## 11 ##src/nonblock/tcpcli03.c##
  12. servaddr.sin_family = AF_INET;## 12 ##src/nonblock/tcpcli03.c##
  13. servaddr.sin_port = htons(SERV_PORT);## 13 ##src/nonblock/tcpcli03.c##
  14. Inet_pton(AF_INET, argv[1], &servaddr.sin_addr);## 14 ##src/nonblock/tcpcli03.c##
  15. Connect(sockfd, (SA *) &servaddr, sizeof(servaddr));## 15 ##src/nonblock/tcpcli03.c##
  16. ling.l_onoff = 1; /* cause RST to be sent on close() */## 16 ##src/nonblock/tcpcli03.c##
  17. ling.l_linger = 0;## 17 ##src/nonblock/tcpcli03.c##
  18. Setsockopt(sockfd, SOL_SOCKET, SO_LINGER, &ling, sizeof(ling));## 18 ##src/nonblock/tcpcli03.c##
  19. Close(sockfd);## 19 ##src/nonblock/tcpcli03.c##
  20. exit(0);## 20 ##src/nonblock/tcpcli03.c##
  21. }## 21 ##src/nonblock/tcpcli03.c##