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std::fopen

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C++
 
Entrada / salida de la biblioteca
I / O manipuladores
C-estilo I / O
Buffers
Original:
Buffers
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(obsoleto)
Arroyos
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Streams
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Abstracciones
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Abstractions
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File I / O
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File I/O
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Cadena de I / O
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String I/O
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Matriz I / O
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Array I/O
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(obsoleto)
(obsoleto)
(obsoleto)
Tipos
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Types
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Error interfaz categoría
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Error category interface
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(C++11)
(C++11)
 
C-estilo I / O
Funciones
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Functions
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Acceso a archivos
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File access
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Directo de entrada / salida
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Direct input/output
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Entrada sin formato / salida
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Unformatted input/output
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Formato de entrada / salida
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Formatted input/output
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Presentar posicionamiento
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File positioning
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Gestión de errores
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Error handling
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Las operaciones en los archivos
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Operations on files
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Definido en la cabecera <cstdio>
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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[editar] 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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[editar] 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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[editar] 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]
Documentacion C de fopen
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