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#include<stdio.h>

#include<stdlib.h>

#include<errno.h>

#include<string.h>

#include<sys/types.h>

#include<netinet/in.h>

#include<sys/socket.h>

#include<sys/wait.h>



#define SERVPORT 3333

#define BACKLOG 10



main()

{

int sockfd,client_fd;

int *sin_size;

struct sockaddr_in my_addr;

struct sockaddr_in remote_addr;

if((sockfd = socket(AF_INET,SOCK_STREAM,0)) == -1)

{

perror("socket make error");

exit(1);

}

my_addr.sin_family = AF_INET;

my_addr.sin_port = htons(SERVPORT);

my_addr.sin_addr.s_addr = INADDR_ANY;

bzero(&(my_addr.sin_zero),8);

if(bind(sockfd,(struct sockaddr*)&my_addr,sizeof(struct sockaddr)) == -1)

{

perror("bind error");

exit(1);

}

if(listen(sockfd,BACKLOG) == -1)

{

perror("listen error");

exit(1);

}

while(1)

{

*sin_size = sizeof(struct sockaddr_in);

if((client_fd = accept(soc


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