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| #include <stdio.h>
#include <winsock2.h>
int main()
{
WSADATA wsaData;
if (WSAStartup(MAKEWORD(2, 0), &wsaData) != 0)
fprintf(stderr, "La fonction WSAStartup a echoue.\n");
else
{
SOCKET s;
s = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
if (s == INVALID_SOCKET)
fprintf(stderr, "La fonction socket a echoue.\n");
else
{
SOCKADDR_IN server;
server.sin_family = AF_INET;
server.sin_addr.s_addr = inet_addr("127.0.0.1");
server.sin_port = htons(5050);
memset(&server.sin_zero, '\0', sizeof(server.sin_zero));
if (connect(s, (SOCKADDR *)&server, sizeof(server)) == SOCKET_ERROR)
fprintf(stderr, "La fonction connect a echoue.\n");
else
{
char buffer[100];
int n;
n = recv(s, buffer, sizeof(buffer) - 1, 0); /* Lire tout au plus sizeof(buffer) - 1 octets */
/* Il faut reserver le dernier octet pour le caractere de fin de chaine, '\0'. */
if (n != SOCKET_ERROR)
{
buffer[n] = '\0';
printf("%s", buffer);
send(s, "Au revoir\n", (int)strlen("Au revoir\n"), 0);
}
shutdown(s, SD_SEND);
}
closesocket(s);
}
WSACleanup();
}
return 0;
} |
