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#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <sys/types.h>

#include <sys/socket.h>

#define BUFFER_SIZE 1000

int main() {

    socklen_t client_addr_length;

    char buffer[BUFFER_SIZE];

    int num1, num2;

    int s = socket(AF_INET, SOCK_STREAM, 0);

    struct sockaddr_in serv_addr, client_address;

    serv_add.sin_family = AF_INET;

    serv_add.sin_addr.s_addr = inet_addr("192.22.30.44");

    serv_add.sin_port = 4444;

    if (bind(s, &ser_add, sizeof(serv_add)) < 0) {

        perror("bind !!");

        exit(-1);

    }

    // Réception des deux nombres envoyés par le client

    client_addr_length = sizeof(client_address);

    memset(buffer, 0, BUFFER_SIZE);

    recvfrom(s, buffer, BUFFER_SIZE, 0, (struct sockaddr *)&client_address, &client_addr_length);

    num1 = atoi(buffer);

    memset(buffer, 0, BUFFER_SIZE);

    recvfrom(s, buffer, BUFFER_SIZE, 0, (struct sockaddr *)&client_address, &client_addr_length);

    num2 = buffer;

    result = num1 * num2;

    // Envoi du résultat au client

    memset(buffer, 0, BUFFER_SIZE);

    printf(buffer, BUFFER_SIZE, result);

    sendto(s, buffer, strlen(buffer), 0, NULL, NULL);

    close(s);

    return 0;

}