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setvbuf

De cppreference.com
< c‎ | io

 
 
File input/output
Funciones
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Functions
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Acceso a archivos
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File access
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fwide
setbuf
setvbuf
Directo de entrada / salida
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Direct input/output
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fread
fwrite
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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ftell
fgetpos
fseek
fsetpos
rewind
Gestión de errores
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Error handling
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clearerr
feof
ferror
perror
Las operaciones en los archivos
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Operations on files
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remove
rename
tmpfile
tmpnam
 
Defined in header <stdio.h>
int setvbuf( FILE *stream, char *buffer, int mode, size_t size );
Establece el búfer interno del stream archivo continuo dado .
Original:
Sets the internal buffer of the given file stream stream.
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Contenido

[editar] Parámetros

stream -
la secuencia de archivo para configurar el búfer
Original:
the file stream to set the buffer to
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buffer -
puntero a un búfer para el flujo de usar
Original:
pointer to a buffer for the stream to use
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mode -
tamponamiento modo de usar. Puede ser uno de los siguientes valores:
_IOFBF full buffering
_IOLBF line buffering
_IONBF no buffering
Original:
buffering mode to use. It can be one of the following values:
_IOFBF full buffering
_IOLBF line buffering
_IONBF no buffering
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size -
tamaño de la memoria intermedia
Original:
size of the buffer
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[editar] Valor de retorno

0 en el éxito o distinto de cero en caso de error .
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0 on success or nonzero on failure.
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[editar] Notas

Esta función sólo se puede utilizar después stream se ha asociado con un archivo abierto, pero antes de cualquier otra operación .
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This function may only be used after stream has been associated with an open file, but before any other operation.
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buffer puede ser nulo, en cuyo caso la presente convocatoria sólo cambia el tamaño del buffer interno .
Original:
buffer may be null, in which case this call only resizes the internal buffer.
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[editar] Ver también

establece el tampón para una secuencia de archivo
Original:
sets the buffer for a file stream
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(función) [edit]
C++ documentation for setvbuf