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| #if defined (WIN32)
#include <winsock2.h>
#include <ws2tpip.h>
typedef int socklen_t;
#elif defined (linux)
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <netdb.h>
#include <errno.h>
#include <time.h>
#include <string.h>
#define INVALID_SOCKET -1
#define SOCKET_ERROR -1
#define closesocket(s) close(s)
typedef int SOCKET;
typedef struct sockaddr_in SOCKADDR_IN;
typedef struct sockaddr SOCKADDR;
#endif
#include <stdio.h>
#include <stdlib.h>
#define PORT 1500
int main(void)
{
#if defined (WIN32)
WSADATA WSAData;
int erreur = WSAStartup(MAKEWORD(2,2), &WSAData);
#else
int erreur = 0;
#endif
struct hostent *hostinfos;
SOCKET sock;
SOCKADDR_IN sin = { 0 };
struct in_addr **addr_list;
char buffer[32];
int i;
int tosize = sizeof sin;
/* Si les sockets Windows fonctionnent */
if(!erreur)
{
/* Création de la socket */
sock = socket(AF_INET, SOCK_DGRAM, 0);
host_infos = gethostbyname("localhost");
if (host_infos == NULL)
{ // do some error checking
herror("gethostbyname"); // herror(), NOT perror()
exit(1);
}
// print information about this host:
printf("Official name is: %s\n", hostinfos->h_name);
printf("IP address: %s\n", inet_ntoa(*(struct in_addr*)hostinfos->h_addr));
printf("All addresses: ");
addr_list = *(struct in_addr **)hostinfos->h_addr_list;
for(i = 0; addr_list[i] != NULL; i++) {
printf("%s ", inet_ntoa(*addr_list[i]));
}
/* Configuration de la connexion */
sin.sin_addr = * (struct IN_ADDR *)hostinfos->h_addr; /* l erreur est a ce niveau la a cté du premier étoile*/
/* sin.sin_addr.s_addr = inet_addr("127.0.0.1"); */
sin.sin_family = AF_INET;
sin.sin_port = htons(PORT);
/* Envois de la chaine de caractère*/
printf("\n Please enter the family name student:");
scanf("%s",buffer);
erreur = send(sock, buffer, 32, 0);
if(erreur != SOCKET_ERROR)
printf("Chaine envoyée : %s\n", buffer);
else
printf("Erreur de transmission\n");
/* On ferme la socket */
closesocket(sock);
#if defined (WIN32)
WSACleanup();
#endif
}
/* On attend que l'utilisateur tape sur une touche, puis on ferme */
getchar();
return EXIT_SUCCESS;
} |
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