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    feof

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    <metanoindex/>

     
    C
     
    Fichier d'entrée / sortie
    Fonctions
    Original:
    Functions
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    Déposer accès
    Original:
    File access
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    Entrée / sortie directe
    Original:
    Direct input/output
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    fread
    fwrite
    Entrée non formatée / sortie
    Original:
    Unformatted input/output
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    Mise en forme d'entrée / sortie
    Original:
    Formatted input/output
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    Fichier de positionnement
    Original:
    File positioning
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    ftell
    fgetpos
    fseek
    fsetpos
    rewind
    Erreur de manipulation
    Original:
    Error handling
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    clearerr
    feof
    ferror
    perror
    Les opérations sur les fichiers
    Original:
    Operations on files
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    remove
    rename
    tmpfile
    tmpnam
     
    <tbody> </tbody>
    Déclaré dans l'en-tête <stdio.h>
    int feof( FILE *stream );
    Vérifie si la fin du flux de fichier donné a été atteint .
    Original:
    Checks if the end of the given file stream has been reached.
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    Paramètres

    stream -
    le flux de fichier à vérifier
    Original:
    the file stream to check
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    Retourne la valeur

    valeur différente de zéro si la fin du flux a été atteinte, sinon 0
    Original:
    nonzero value if the end of the stream has been reached, otherwise 0
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    Notes

    Cette fonction signale que l'état courant tel que rapporté par la plus récente opération E / S, il n'examine pas la source de données associée. Par exemple, si la plus récente d'E / S a été un fgetc, qui a retourné le dernier octet d'un fichier, feof renvoie une valeur non nulle. Le fgetc suivante échoue et modifie l'état de flux de fin-de-fichier. C'est alors seulement feof retourne zéro .
    Original:
    This function only reports the stream state as reported by the most recent I/O operation, it does not examine the associated data source. For example, if the most recent I/O was a fgetc, which returned the last byte of a file, feof returns non-zero. The next fgetc fails and changes the stream state to end-of-file. Only then feof returns zero.
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    En utilisation normale, le traitement des flux d'entrée s'arrête sur une erreur; feof et ferrror sont ensuite utilisés pour distinguer entre les différentes conditions d'erreur .
    Original:
    In typical usage, input stream processing stops on any error; feof and ferrror are then used to distinguish between different error conditions.
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    Exemple

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

int main()
{
    FILE* fp = fopen("test.txt", "r");
    if(!fp) {
        perror("File opening failed");
        return EXIT_FAILURE;
    }

    int c; // note: int, not char, required to handle EOF
    while ((c = fgetc(fp)) != EOF) { // typical file reading loop
       putchar(c);
    }

    if (ferror(fp))
        puts("I/O error when reading");
    else if (feof(fp))
        puts("End of file reached successfully");
}


    Voir aussi
    efface les erreurs
    Original:
    clears errors
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    (fonction) [edit]
    affiche une chaîne de caractères correspondant de l'erreur de courant à stderr
    Original:
    displays a character string corresponding of the current error to stderr
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    (fonction) [edit]
    chèques pour une erreur de fichier
    Original:
    checks for a file error
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    (fonction) [edit]
    C++ documentation for feof