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| #include<stdio.h>
#include<stdlib.h>
#include <netinet/in.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <unistd.h>
#include <signal.h>
int socket_id;
void close_socket()
{
close(socket_id);
exit(0);
}
int main()
{
struct sockaddr_in adresse;
adresse.sin_family = AF_INET;
adresse.sin_port = htons(5000);
adresse.sin_addr.s_addr=inet_addr("127.0.0.1");
int addr_size = sizeof(adresse);
int num=0;
char fin[] = "END";
socket_id = socket(AF_INET,SOCK_STREAM,0); //Creation de la socket
bind(socket_id, (struct sockaddr*) &adresse, addr_size);//Définition de l'adresse locale
listen(socket_id, SOMAXCONN);//création de la file d'attente
int s=0;
while(1)
{
s = accept(socket_id, (struct sockaddr*)&adresse, &addr_size);
int p=fork();
if(p>0)
{
wait(NULL);
}
else
{
recv(s, &num, sizeof(int), 0);
num=num*num;
printf("Ok\n");
send(s,&num,4,0);
send(s,&fin,100,0);
}
close(s);
}
} |
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