Olá,
Preciso de ajuda para substituir o ................. client.c pedido de que o servidor implementada pelo server.c

------------------
Listing 1 - server.c

/ * Inclusão das diferentes bibliotecas nécessaires * /
# include <stdio.h>
# include <stdlib.h>
# include <unistd.h>
# include <string.h>

# include <sys/types.h>
# include <sys/socket.h>
# include <netinet.in.h>
# include <arpa.inet.h>

int main (int argc, char * argv [])
(
int res;
/ * Operandes * /
int a, b, buf;
/ * Socket mise en lugar côté serveur * /
int serv_sock;
/ * Socket mise en lugar côté cliente * /
int cli_sock;
/ * Adresse de la distante socket * /
struct sockaddr_in localaddr;
/ * Longueur de l'adresse * /
socklen_t localaddr_len;
/ * Longueur de l'adresse * /
socklen_t distaddr_len;
localaddr_len \u003d sizeof (localaddr);

/ * Mise en place de la socket * /
serv_sock \u003d socket (AF_INET.SOCK_STREAM, 0);
if (serv_sock \u003d socket (AF_INET.SOCK_STREAM, 0);
if (serv_sock \u003d\u003d -1) (
perror (''Impossible creer de la soquete'')
exit (-1);
)
/ * Mise en place de la estrutura décrivant l'adresse
* Et le porto qui seront associadas à la socket * /
bzero ((char *) & localaddr, localaddr_len);
/ * Protocole Internet * /
localaddr.sin_family \u003d AF.INET;
/ * Em écoute sur l'adresse de boucle locale * /
localaddr.sin_addr.s_addr \u003d inet_addr (''127.0.0.1'');
/ * Em écoute sur le port 1234 * /
localaddr.sin_port \u003d htons (1234);

/ * Em socket adido la au porto 1234 sur
* L'adresse locale 127.0.0.1 * /
if (bind (serv_sock,
(struct sockaddr *) & localaddr,
localaddr_len) \u003d\u003d -1) (
perror (''Impossible d'attacher la soquete'');
exit (-1);
)
/ * Mise en place de l'écoute sur la socket * /
if (listen (serv_sock, 1) \u003d\u003d -1) (
perror (''Impossible d'Ecouter sur la soquete'');
exit (-1);
)
/ * Em aceite as ligações entrantes * /
cli_sock \u003d aceitar (serv_sock,
(struct sockaddr *) & distaddr,
& distaddr_len);
if (cli_sock \u003d\u003d -1) (
perror (''Erreur de ligação do cliente'');
exit (-1);
)
/ * Recoit sobre la première operande * /
res \u003d recv (cli_sock, &buf; sizeof (int), 0);
if (res! \u003d sizeof (int)) (
perror (''Données recues incorrectes'');
close (serv_sock);
exit (-1);
)
a \u003d ntohl (buf);
printf (''Recu:% d / n'', a);

/ * Em recoit la deuxième operande * /
res \u003d recv (cli_sock, & buf, sizeof (em), 0);
if (res! \u003d sizeof (int)) (
perror (''Données recues incorrectes'');
close (serv_sock);
exit (-1);
)
b \u003d ntohl (buf);
printf (''Recu:% d \ n'', b);

htonl buf \u003d (a + b);
printf (''envoi:% d \ n'', a + b);
/ * Em envoie le resultado * /
res \u003d enviar (cli_sock, & buf, sizeof (int), 0);
if (res! \u003d sizeof (int)) (
perror (''Erreur de transmissão de dados'');
close (serv_sock);
exit (-1)
)
close (serv_sock);
close (cli_sock);
return ();
)
-----------------
Lista 2 - client.c

/ / Inclusão das diferentes bibliotecas nécessaires
# include <stdio.h>
# include <stdlib.h>
# include <unistd.h>
# include <string.h>

# include <sys/types.h>
# include <sys/socket.h>

# include <netinet/in.h>
# include <arpa/inet.h>

int main (int argc, char * argv [])
(
int res;
/ * Operandes * /
int a, b, buf;
/ * Socket mise en lugar aprisco serveur * /
int serv_sock;
/ * Socket mise en lugar aprisco cliente * /
int cli_sock;
/ * Adresse de la distante socket * /
struct sockaddr_in distaddr;
/ * Longueur de l'adresse * /
socklen_t distaddr_len;
distaddr_len \u003d sizeof (distaddr);

a \u003d htonl (123);
b \u003d btonl (124);

/ * Criação de la socket * /
cli.sock \u003d .............................
if (cli_sock \u003d\u003d -1) (
perror (''Impossible creer de la soquete'');
exit (-1);
)
/ * Mise en place de la estrutura decrivant
* L'adresse et le porto qui seront Associes
* La um socket * /
bzero ((char *) & distaddr, distaddr_len);
/ * Protocole Internet * /
distaddr.sin_family \u003d .......................
/ * Em se connecte sur l'adresse de boucle locale * /
distaddr.sin_addr.s_addr \u003d inet_addr (''127.0.0.1 ");
/ * Em se connecte sur le port 1234 * /
distaddr.sin.port \u003d .............................
/ * Connexion au serveur * /
serv_sock \u003d ....................................
if (serv_sock \u003d\u003d -1) (
perror (''Impossível de se connecter'');
)
/ * Em envoi la premiere operande * /
res \u003d .....................................
if (res! \u003d sizeof (int)) (
perror (''Impossible d'envoyer les données'');
close (cli_sock);
exit (-1);
)

/ * Em envoie la seconde operande * /
res \u003d enviar (cli_sock, & b, sizeof (int), 0);
if (res! \u003d sizeof (int)) (
perror (''Impossible d'envoyer les données'');
close (cli_sock);
exit (-1);
)
/ * Em recupere o resultado * /
res \u003d ....................................
if (res! \u003d sizeof (int)) (
perror (''Impossible de lire les données'');
close (cli_sock);
exit (-1);
)
printf (''Resultado:% d \ n'', ntohl (buf));
.............................
close (serv_sock);
return 0;
)