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    fopen

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    C
     
    File input/output
    Funciones
    Original:
    Functions
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    Acceso a archivos
    Original:
    File access
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    Directo de entrada / salida
    Original:
    Direct input/output
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    Entrada sin formato / salida
    Original:
    Unformatted input/output
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    Formato de entrada / salida
    Original:
    Formatted input/output
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    Presentar posicionamiento
    Original:
    File positioning
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    Gestión de errores
    Original:
    Error handling
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    Las operaciones en los archivos
    Original:
    Operations on files
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    <tbody> </tbody>
    Definido en el archivo de encabezado <stdio.h>
    FILE *fopen( const char *filename, const char *mode );
    Abre un archivo indicado por filename y devuelve una secuencia de archivo asociado con ese archivo. mode se utiliza para determinar el modo de acceso de archivo .
    Original:
    Opens a file indicated by filename and returns a file stream associated with that file. mode is used to determine the file access mode.
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    Parámetros

    filename -
    nombre de archivo para asociar la secuencia de archivo para
    Original:
    file name to associate the file stream to
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    mode -
    terminada en nulo de serie de caracteres para determinar el modo de acceso a archivos
    File access
    mode string     		Meaning Explanation Action if file
    already exists     		Action if file
    does not exist
    "r" read Open a file for reading read from start failure to open
    "w" write Create a file for writing destroy contents create new
    "a" append Append to a file write to end create new
    "r+" read extended Open a file for read/write read from start error
    "w+" write extended Create a file for read/write destroy contents create new
    "a+" append extended Open a file for read/write write to end create new
    File access mode flag "b" can optionally be specified to open a file in binary mode. This flag has effect only on Windows systems.
    On the append file access modes, data is written to the end of the file regardless of the current position of the file position indicator.
    Original:
    null-terminated character string determining file access mode
    File access
    mode string     		Meaning Explanation Action if file
    already exists     		Action if file
    does not exist
    "r" read Open a file for reading read from start failure to open
    "w" write Create a file for writing destroy contents create new
    "a" append Append to a file write to end create new
    "r+" read extended Open a file for read/write read from start error
    "w+" write extended Create a file for read/write destroy contents create new
    "a+" append extended Open a file for read/write write to end create new
    File access mode flag "b" can optionally be specified to open a file in binary mode. This flag has effect only on Windows systems.
    On the append file access modes, data is written to the end of the file regardless of the current position of the file position indicator.
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    Valor de retorno

    Inaugurado secuencia de archivo en caso de éxito, NULL en caso de fallo
    Original:
    Opened file stream on success, NULL on failure
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    Ver también
    cierra un archivo
    Original:
    closes a file
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    (función) [editar]
    sincroniza un flujo de salida con el archivo real
    Original:
    synchronizes an output stream with the actual file
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    (función) [editar]
    abrir una secuencia existente con un nombre diferente
    Original:
    open an existing stream with a different name
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    (función) [editar]
    Documentación de C++ para fopen