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      std::setvbuf

      De cppreference.com
      < cpp | io | c

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      <metanoindex/>

       
      C++
       
      De entrada / saída da biblioteca
      I / O manipuladores
      C estilo de I / O
      Buffers
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      Buffers
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      (obsoleta)
      Streams
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      Streams
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      Abstrações
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      Abstractions
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      File I / O
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      File I/O
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      Cordas I / O
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      String I/O
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      Matriz de I / O
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      Array I/O
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      (obsoleta)
      (obsoleta)
      (obsoleta)
      Tipos
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      Types
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      Interface de categoria de erro
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      Error category interface
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      (C++11)
      (C++11)
       
      C estilo de I / O
      Funções
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      Functions
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      Arquivo de acesso
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      File access
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      Directa de entrada / saída
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      Direct input/output
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      Não formatado entrada / saída
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      Unformatted input/output
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      Formatado de entrada / saída
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      Formatted input/output
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      Arquivo de posicionamento
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      File positioning
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      De tratamento de erros
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      Error handling
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      Operações em arquivos
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      Operations on files
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      <tbody> </tbody>
      Definido no cabeçalho <cstdio>
      int setvbuf( FILE *stream, char *buffer, int mode, size_t size );
      Define o buffer interno do stream dado arquivo de fluxo.
      Original:
      Sets the internal buffer of the given file stream stream.
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      Parâmetros

      stream -
      o fluxo de arquivo para definir o buffer para
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      the file stream to set the buffer to
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      buffer -
      ponteiro para um buffer para o fluxo de usar
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      pointer to a buffer for the stream to use
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      mode -
      tamponante modo de usar. Pode ser um dos seguintes valores:
      _IOFBF full buffering
      _IOLBF line buffering
      _IONBF no buffering
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      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 -
      tamanho do buffer
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      size of the buffer
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      Valor de retorno

      0 em caso de sucesso ou diferente de zero em caso de falha.
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      0 on success or nonzero on failure.
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      Notas

      Esta função só pode ser utilizado após stream tem sido associado com um arquivo aberto, mas antes de qualquer outra operação.
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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 pode ser nulo, caso em que esta chamada apenas redimensiona o buffer interno.
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      buffer may be null, in which case this call only resizes the internal buffer.
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      Veja também
      define o buffer para um fluxo de arquivo
      Original:
      sets the buffer for a file stream
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      (função) [edit]
      [virtual]
      fornece fornecido pelo usuário tampão ou transforma este filebuf unbuffered
      Original:
      provides user-supplied buffer or turns this filebuf unbuffered
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      (virtual protegido of std::basic_filebuf função de membro) [edit]
      Documentação C para setvbuf
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