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    std::fwrite

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    <metanoindex/>

     
    C++
     
    D'entrée / sortie de bibliothèque
    I / O manipulateurs
    C-style I / O
    Tampons
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    Buffers
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    basic_streambuf
    basic_filebuf
    basic_stringbuf
    strstreambuf (obsolète)
    Cours d'eau
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    Streams
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    Abstractions
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    Abstractions
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    ios_base
    basic_ios
    basic_istream
    basic_ostream
    basic_iostream
    Fichier E / O
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    File I/O
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    basic_ifstream
    basic_ofstream
    basic_fstream
    Chaîne I / O
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    String I/O
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    basic_istringstream
    basic_ostringstream
    basic_stringstream
    Tableau I / O
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    Array I/O
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    istrstream (obsolète)
    ostrstream (obsolète)
    strstream (obsolète)
    Types
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    Types
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    streamoff
    streamsize
    fpos
    Interface catégorie d'erreur
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    Error category interface
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    iostream_category (C++11)
    io_errc (C++11)
     
    C-style I / O
    Fonctions
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    Functions
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    Déposer accès
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    File access
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    Entrée / sortie directe
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    Direct input/output
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    fread
    fwrite
    Entrée non formatée / sortie
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    Unformatted input/output
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    Mise en forme d'entrée / sortie
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    Formatted input/output
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    Fichier de positionnement
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    File positioning
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    ftell
    fgetpos
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    Erreur de manipulation
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    Error handling
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    clearerr
    feof
    ferror
    perror
    Les opérations sur les fichiers
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    Operations on files
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    remove
    rename
    tmpfile
    tmpnam
     
    <tbody> </tbody>
    Déclaré dans l'en-tête <cstdio>
    int fwrite( const void* buffer, std::size_t size, std::size_t count, std::FILE* stream );
    Rédige des objets count de la buffer tableau donné le flux de sortie stream comme par reinterepreting chaque objet comme un tableau de unsigned char et les appels std::fputc size fois pour chaque objet à écrire ces unsigned chars en stream, dans l'ordre. L'indicateur de position de fichier pour le flux avance le nombre de caractères écrits .
    Original:
    Writes up to count objects from the given array buffer to the output stream stream as if by reinterepreting each object as an array of unsigned char and calling std::fputc size times for each object to write those unsigned chars into stream, in order. The file position indicator for the stream is advanced by the number of characters written.
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    Si les objets ne sont pas TriviallyCopyable, le comportement est indéfini .
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    If the objects are not TriviallyCopyable, the behavior is undefined.
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    Si une erreur se produit, la valeur résultante de l'indicateur de position du flux est
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    If an error occurs, the resulting value of the file position indicator for the stream is
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    indéterminée .
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    indeterminate.
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    Paramètres

    buffer -
    pointeur vers l'objet premier objet dans le tableau à écrire
    Original:
    pointer to the first object object in the array to be written
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    size -
    taille de chaque objet
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    size of each object
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    count -
    le nombre des objets à écrire
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    the number of the objects to be written
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    Retourne la valeur

    Nombre d'objets écrits avec succès, ce qui peut être inférieure à count si une erreur est survenue .
    Original:
    Number of objects written successfully, which may be less than count if an error occurred.
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    Si size ou count est égal à zéro, fwrite renvoie zéro et n'effectue aucune autre action .
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    If size or count is zero, fwrite returns zero and performs no other action.
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    Exemple

    This section is incomplete
    Reason: no example

    Voir aussi




    (C++11)
    impressions en forme de sortie de stdout, un flux de fichier ou d'un tampon
    Original:
    prints formatted output to stdout, a file stream or a buffer
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    (fonction) [edit]
    écrit une chaîne de caractères dans un flux fichier
    Original:
    writes a character string to a file stream
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    (fonction) [edit]
    lit un fichier
    Original:
    reads from a file
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    (fonction) [edit]
    C documentation for fwrite