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