unp_test/tcpclisrv/tcpcli01.c

39 lines
884 B
C

#include "unp.h"
void str_cli(FILE *, int);
int main(int argc, char* argv[])
{
int sockfd;
struct sockaddr_in servaddr;
if(argc != 2)
err_quit("usage: tcpcli <IPaddress>");
sockfd = Socket(AF_INET, SOCK_STREAM, 0);
bzero(&servaddr, sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_port = htons(SERV_PORT);
Inet_pton(AF_INET, argv[1], &servaddr.sin_addr);
Connect(sockfd, (SA *) &servaddr, sizeof(servaddr));
str_cli(stdin, sockfd);
exit(0);
}
void str_cli(FILE *fp, int sockfd)
{
char sendline[MAXLINE], recvline[MAXLINE];
while(Fgets(sendline, MAXLINE, fp ) != NULL) {
Writen(sockfd, sendline, strlen(sendline));
if(Readline(sockfd, recvline, MAXLINE) == 0)
err_quit("str_cli: server terminated prematurely");
Fputs(recvline, stdout);
}
}