Exclure nombre d'un rand

#include <stdio.h>
#include <stdlib.h>
#include <time.h>

int random_mot(){
    int hasard;
    int mot;
    int total=1;
    char reseau = 1;
    char code = 2 ;
    char dico = 3;
    char donnee = 4;
    char ordinateur = 5;

    time_t t;
    srand((unsigned) time(&t));


    while(total<=10)
    {
        hasard = rand() % 5+1;
        if (hasard == 1)
        {
            printf("Reseau\n");
        }

        else if (hasard == 2)
        {
            printf("code\n");
        }

        else if (hasard == 3)
        {
            printf("dico\n");
        }

        else if (hasard == 4)
        {
            printf("donnee\n");
        }

        else if (hasard == 5)
        {
            printf("code\n");
        }

        ++total;
    }

    return 0;
}