#include <string.h>//pour memcpy au moins#include <stdio.h>//perror#include <sys/types.h>#include <sys/socket.h>//constantes, sockaddr generique, socket...#include <stdlib.h>#include "sockdist.h"/////////////////////////////////////////////////////////////////void SockDist::initparam(){   sRetour=sLen=0;   adrDist=NULL;}/////////////////////////////////////////////////////////////////SockDist::SockDist( const char *nomHote, const char * nomServ,                         const char *protoServ){   struct hostent *hst; /* pour recuperer les param du host */   struct servent *srv; /* pour recuperer les param du service */   initparam();   adrDist=new sockaddr_in;   adrDist->sin_family = sDom;      /* parametres du hote distant */   hst = gethostbyname (nomHote);   if (hst == NULL){     cout << "hote "<<nomHote<< " inconnu\n";      exit (0);   }   adrDist->sin_addr.s_addr = ((struct in_addr                               *)(hst->h_addr))->s_addr;      /* ou au choix :   memcpy((char *)&adrDist->sin_addr,(char *)hst->h_addr,                                             hst->h_length)                                             eh oui....*/   srv = getservbyname (nomServ, protoServ);   if (srv == NULL){     cout <<nomServ<< "non trouve dans services\n";     exit (0);      }   adrDist->sin_port = srv->s_port; /* numero de port du service */   sLen=sizeof(*adrDist);}/////////////////////////////////////////////////////////////////SockDist::SockDist( const char *nomHote, short numPort){   struct hostent *hst; /* pour recuperer les param du host */   initparam();   adrDist=new sockaddr_in;   adrDist->sin_family = sDom;   hst = gethostbyname (nomHote);   if (hst == NULL){     cout << "hote "<<nomHote<< " inconnu\n";      exit (0);   }   adrDist->sin_addr.s_addr = ((struct in_addr                               *)(hst->h_addr))->s_addr;      /* ou au choix toujours:   memcpy((char *)&adrDist->sin_addr,(char *)hst->h_addr,                                             hst->h_length)                                             eh oui....*/   adrDist->sin_port = htons(numPort); /* numero de port du service */   sLen= sizeof(*adrDist);}/////////////////////////////////////////////////////////////////SockDist::SockDist(){   initparam();   adrDist=new sockaddr_in;   sLen=sizeof(*adrDist);}/////////////////////////////////////////////////////////////////SockDist::~SockDist(){   delete adrDist;}/////////////////////////////////////////////////////////////////sockaddr_in * SockDist::getAdrDist(){   return adrDist;}/////////////////////////////////////////////////////////////////int SockDist::getsLen(){   return sLen;}