client.c

来自「client socket include <sys/types.h&g」· C语言 代码 · 共 35 行

include <sys/types.h>
include <sys/socket.h>
include <stdio.h>
include <netinet/in.h>
include <arpa/inet.h>
include <unistd.h>

 int main()
 {
 int sockfd;
 int len;
 struct sockaddr_in address;
 int result;
 char ch = 'A';

 sockfd = socket(AF_INET, SOCK_STREAM, 0);

 address.sin_family = AF_INET;
 address.sin_addr.s_addr = inet_addr("127.0.0.1");
 address.sin_port = 9734;
 len = sizeof(address);

 result = connect(sockfd, (struct sockaddr *)&address, len);

 if(result == -1) {
 perror("oops: client");
 exit(1);
 }

 write(sockfd, &ch, 1);
 read(sockfd, &ch, 1);
 printf("char from server = %c\n", ch);
 close(sockfd);
 exit(0);
 }