qsdf

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>


int connectServeurWeb(char* IP,int port);
int envoieRequeteHTTP(int socket, char* requete);
int tailleRequeteLecture(int socket);
char* litHTML(int socket);

int main()
{
    char* contenu;
    contenu=litHTML(connectServeurWeb("194.254.119.228",80));
    printf("%s",contenu);
    return 0;
}

int connectServeurWeb(char* IP,int port)
{
    int err;
    int sd;//le socket
    struct sockaddr_in sa;
    sd = socket(PF_INET, SOCK_STREAM, 0) ; // CONNEXION TCP/IP
    if(sd == -1)
    {
        //afficher erreur + code erreur
        return -1;
    }
    sa.sin_family=AF_INET;
    sa.sin_port=htons(port);
    sa.sin_addr.s_addr=(long)inet_addr(IP);
    strerror( (long)sa.sin_addr.s_addr );
    err = connect(sd, (struct sockaddr *)&sa, sizeof(sa)) ;//1er paramètre = la socket qu'on viens de créer , 2ème= adresse de la struct qu'on vient de remplir, 3ème = taille de la structure
    if(err==-1)
    {
        return -1;
    }
    return sd;
}

int envoieRequeteHTTP(int socket, char* requete){

    int tailleRequete=strlen(requete);
    char* buffer= (char*)malloc(sizeof(char)*tailleRequete);
    strcpy(buffer,requete);

    int tailleRetourEnvoie = send(socket,buffer,tailleRequete,0);

    return tailleRetourEnvoie;

}
/*
char* litHTML(int socket){
    int n=1;
    char* bufferLecture=(char*)malloc(1*sizeof(char));
    while((recv(socket,bufferLecture,n,0))!=0){
        n++;
        bufferLecture = (char*)realloc(bufferLecture,n*sizeof(char));
    }

    return bufferLecture;
}
*/
char* litHTML(int socket){

int n=1;
    char* bufferLecture= (char*) malloc(sizeof(char)*n);
    int ret = recv(socket,bufferLecture,n,0);
    while(ret!=0) {

        ret = recv(socket,bufferLecture,n,0);
        n++;
        bufferLecture=(char*)realloc(bufferLecture,sizeof(char)*n);
    }
}