[C] Lire les caractère d'une ligne fichier

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

int main (int argc, char *argv[])
{
    FILE *stream = NULL;
    int i, car;
    
    stream = fopen ("test.txt.txt", "r");

    if (stream == NULL) {
        perror ("The following error occurred");
        system ("PAUSE");
        return 0;
    }
    
    car = fgetc (stream);
    while (car != EOF) {
        while (car != '\r\n') {
            car = fgetc (stream);
            if (car == 'a' || car == 'e' || car == 'i' || car == 'o'  || car == 'u' || car == 'y')
           i++;
        }
        printf("%d", i);
        i = 0;
    }

    fclose(stream);
  
    system("PAUSE");	
    return 0;
}

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

int main (int argc, char *argv[])
{    
    FILE *stream = fopen ("D:\\test.txt", "r");

    if (stream == NULL) 
    {
        printf("Erreur d'ouverture\n");
        system ("PAUSE");
        return 1;
    }
    
    int i=0, car='\0';

    while (car != EOF && car != '\r' && car != '\n') 
    {
        car = fgetc (stream);

        switch (car)
        {
        case 'a' :
        case 'e' :
        case 'i' :
        case 'o' :
        case 'u' :
        case 'y' :
            i++; 
            break;
        }
    }
    
    fclose(stream);
    printf("%d\n", i);
  
    system("PAUSE");	
    return 0;
}