#define PORT 12345
#define LISTENQ 10
int main() {
int fd = socket(AF_INET, SOCK_STREAM, 0);//创建套接字
struct sockaddr_in addr;
addr.sin_family = AF_INET;
addr.sin_port = htons(PORT);
addr.sin_addr.s_addr = INADDR_ANY;
bind(fd, (struct sockaddr*)&addr, sizeof(addr));//绑定
listen(fd, LISTENQ);//监听
int fd_;
int size;
struct sockaddr_in addr_;
int len = sizeof(addr_);
if ((fd_ = accept(fd,(struct sockaddr*)&addr_, &len)) < 0){//调用 accept 接受请
求
printf("error\n");
}else
printf("success\n");
int buflen = 1000;
char buffer[buflen];
for(;;)
{
memset(buffer,0,sizeof(buffer));
size = recv(fd_,buffer,buflen,0);
buffer[size] = '\0';
if(strcmp(buffer,"end\n")==0)
{
return 0;
}
printf("%s",buffer);
write(fd_,buffer,strlen(buffer)+1);
}
close(fd_);
close(fd);
return 0;
}
(2)client.c
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
