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      std::vprintf, std::vfprintf, std::vsprintf, std::vsnprintf

      Da cppreference.com
      < cpp‎ | io‎ | c

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      C++
       
      De entrada / saída da biblioteca
      I / O manipuladores
      C estilo de I / O
      Buffers
      Original:
      Buffers
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      (obsoleta)
      Streams
      Original:
      Streams
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      Abstrações
      Original:
      Abstractions
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      File I / O
      Original:
      File I/O
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      Cordas I / O
      Original:
      String I/O
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      Matriz de I / O
      Original:
      Array I/O
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      (obsoleta)
      (obsoleta)
      (obsoleta)
      Tipos
      Original:
      Types
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      Interface de categoria de erro
      Original:
      Error category interface
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      (C++11)
      (C++11)
       
      C estilo de I / O
      Funções
      Original:
      Functions
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      Arquivo de acesso
      Original:
      File access
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      Directa de entrada / saída
      Original:
      Direct input/output
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      Não formatado entrada / saída
      Original:
      Unformatted input/output
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      Formatado de entrada / saída
      Original:
      Formatted input/output
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      (C++11)(C++11)(C++11)
      (C++11)
      vprintfvfprintfvsprintfvsnprintf
      (C++11)
      Arquivo de posicionamento
      Original:
      File positioning
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      De tratamento de erros
      Original:
      Error handling
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      Operações em arquivos
      Original:
      Operations on files
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      Definido no cabeçalho <cstdio>
      int vprintf(constchar* format, va_list vlist );
      		 (1)
      int vfprintf( FILE *stream, constchar*format, va_list vlist );
      		 (2)
      int vsprintf(constchar*buffer, constchar*format, va_list vlist );
      		 (3)
      int vsnprintf(char*buffer, int buf_size, constchar*format, va_list vlist );
      		 (4) (desde C++11)
      Carrega os dados dos locais, definidos por vlist, converte-os em equivalentes de cadeia de caracteres e grava os resultados de uma variedade de pias.
      Original:
      Loads the data from the locations, defined by vlist, converts them to character string equivalents and writes the results to a variety of sinks.
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      1)
      Grava os resultados para stdout.
      Original:
      Writes the results to stdout.
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      2)
      Grava os resultados a um stream fluxo de arquivo.
      Original:
      Writes the results to a file stream stream.
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      3)
      Grava os resultados para uma cadeia de caracteres buffer.
      Original:
      Writes the results to a character string buffer.
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      4)
      Grava os resultados a um buffer cadeia de caracteres. Na maioria dos personagens buf_size são escritos. A cadeia de caracteres resultante será encerrado com um caractere nulo, a menos que buf_size é zero.
      Original:
      Writes the results to a character string buffer. At most buf_size characters are written. The resulting character string will be terminated with a null character, unless buf_size is zero.
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      Índice

      [editar]Parâmetros

      stream -
      fluxo de arquivo de saída para gravar
      Original:
      output file stream to write to
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      buffer -
      ponteiro para uma cadeia de caracteres para escrever
      Original:
      pointer to a character string to write to
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      buf_size -
      número máximo de caracteres para escrever
      Original:
      maximum number of characters to write
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      format -
      ponteiro para uma cadeia de caracteres NULL-Terminated especificando a forma de interpretar os dados.
      A cadeia de formato consiste de espaços em branco, não-branco personagens (exceto %) e especificações de conversão. Cada especificação de conversão tem o seguinte formato:
      Original:
      The format string consists of whitespace characters, non-whitespace characters (except %) and conversion specifications. Each conversion specification has the following format:
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      • % caráter introdutório
        Original:
        introductory % character
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      • (opcional) um ou mais sinalizadores que modificam o comportamento da conversão:
        Original:
        (opcional) one or more flags that modify the behavior of the conversion:
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      • -: o resultado da conversão é justificado à esquerda dentro do campo (por padrão é justificada à direita)
        Original:
        -: the result of the conversion is left-justified within the field (by default it is right-justified)
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      • +: o sinal de conversões assinado é sempre prefixado no resultado da conversão (por padrão, o resultado é precedido por menos só quando é negativo)
        Original:
        +: the sign of signed conversions is always prepended to the result of the conversion (by default the result is preceded by minus only when it is negative)
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      • ' Espaço: se o resultado de uma conversão assinada não começa com um carácter de sinal, ou estiver vazio, o espaço é anexado ao resultado. É ignorado se + bandeira está presente.
        Original:
        space: if the result of a signed conversion does not start with a sign character, or is empty, space is prepended to the result. It is ignored if + flag is present.
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      • #:' forma alternativa da conversão é executada. Consulte a tabela abaixo para efeitos exatos.
        Original:
        # : alternative form of the conversion is performed. See the table below for exact effects.
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      • 0: para conversões de números inteiros e de ponto flutuante, zeros à esquerda são usados ​​para preencher o campo em vez de espaço personagens. Para os números de ponto flutuante é ignorada se a precisão é explicitamente especificado. Para outras conversões usando esses resultados bandeira em um comportamento indefinido. É ignorado se - bandeira está presente.
        Original:
        0 : for integer and floating point number conversions, leading zeros are used to pad the field instead of space characters. For floating point numbers it is ignored if the precision is explicitly specified. For other conversions using this flag results in undefined behavior. It is ignored if - flag is present.
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      • (opcional) valor inteiro ou * que especifica a largura de campo mínima. O resultado é preenchido com espaço personagens (por padrão), se necessário, à esquerda quando justificada à direita, ou à direita, se justificado à esquerda. No caso quando * é usado, a largura é especificada por um argumento suplementar de int tipo. Se o valor do argumento é negativo, o resultado com a largura do campo - sinalizador especificado e positivo.
        Original:
        (opcional) integer value or * that specifies minimum field width. The result is padded with space characters (by default), if required, on the left when right-justified, or on the right if left-justified. In the case when * is used, the width is specified by an additional argument of type int. If the value of the argument is negative, it results with the - flag specified and positive field width.
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      • (opcional). seguido de um número inteiro ou * que especifica' precisão da conversão. No caso quando * é usado, o' precisão é especificada por um argumento suplementar de int tipo. Se o valor deste argumento é negativo, ele será ignorado. Consulte a tabela abaixo para efeitos exatos de precisão'.
        Original:
        (opcional). followed by integer number or * that specifies precision of the conversion. In the case when * is used, the precision is specified by an additional argument of type int. If the value of this argument is negative, it is ignored. See the table below for exact effects of precision.
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      • (opcional)' modificador de comprimento que especifica o tamanho do argumento
        Original:
        (opcional)length modifier that specifies the size of the argument
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      • formato de conversão especificador
        Original:
        conversion format specifier
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      Os especificadores de formato disponíveis são:
      Original:
      The following format specifiers are available:
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      Conversion
      specifier       		Explanation Argument type
      length modifier hhh (none) llljztL
      % writes literal %. The full conversion specification must be %%. N/AN/AN/AN/AN/AN/AN/AN/AN/A
      c writes a single characterN/AN/Acharwchar_tN/AN/AN/AN/AN/A
      s writes a character stringN/AN/Achar*wchar_t*N/AN/AN/AN/AN/A
      d
      i
      converte 'decimal inteiro' um assinado no estilo [-] dddd.
      Original:
      converts a signed decimal integer in the style [-]dddd.
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      Precisão' especifica o número mínimo de dígitos que aparecem. A precisão padrão é 1.
      Original:
      Precision specifies the minimum number of digits to appear. The default precision is 1.
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      Se tanto o valor convertido ea precisão são ​0​ os resultados de conversão em nenhum caractere.
      Original:
      If both the converted value and the precision are ​0​ the conversion results in no characters.
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      signedchar
      signedshort
      signedint
      signedlong
      signedlonglong
      intmax_t
      size_t
      ptrdiff_t
      		N/A
      o
      converte um assinado 'inteiro octal' no estilo [-] oooo.
      Original:
      converts a signed octal integer in the style [-]oooo.
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      Precisão' especifica o número mínimo de dígitos que aparecem. A precisão padrão é 1.
      Original:
      Precision specifies the minimum number of digits to appear. The default precision is 1.
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      Se tanto o valor convertido ea precisão são ​0​ os resultados de conversão em nenhum caractere.
      Original:
      If both the converted value and the precision are ​0​ the conversion results in no characters.
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      Na execução alternativa' precisão é aumentada, se necessário, para escrever um zero inicial.
      Original:
      In the alternative implementation precision is increased if necessary, to write one leading zero.
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      Nesse caso, se tanto o valor convertido ea precisão são ​0​, ​0​ único é escrito.
      Original:
      In that case if both the converted value and the precision are ​0​, single ​0​ is written.
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      		N/A
      x
      X
      converte 'inteiro hexadecimal' um assinado no estilo [-] hhhh.
      Original:
      converts a signed hexadecimal integer in the style [-]hhhh.
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      Para as cartas de conversão xabcdef são used.
      Original:
      For the x conversion letters abcdef are used.
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      Para as cartas de conversão XABCDEF são used.
      Original:
      For the X conversion letters ABCDEF are used.
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      Precisão' especifica o número mínimo de dígitos que aparecem. A precisão padrão é 1.
      Original:
      Precision specifies the minimum number of digits to appear. The default precision is 1.
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      Se tanto o valor convertido ea precisão são ​0​ os resultados de conversão em nenhum caractere.
      Original:
      If both the converted value and the precision are ​0​ the conversion results in no characters.
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      Na implementação alternativa'0x ou 0X é prefixado para os resultados se o valor convertido é diferente de zero.
      Original:
      In the alternative implementation0x or 0X is prefixed to results if the converted value is nonzero.
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      		N/A
      u
      converte 'inteiro decimal sem sinal' um no estilo dddd.
      Original:
      converts an unsigned decimal integer in the style dddd.
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      Precision' especifica o número mínimo de dígitos que aparecem.
      Original:
      Precision specifies the minimum number of digits to appear.
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      A precisão padrão é 1.
      Original:
      The default precision is 1.
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      Se tanto o valor convertido ea precisão são ​0​ os resultados de conversão em nenhum caractere.
      Original:
      If both the converted value and the precision are ​0​ the conversion results in no characters.
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      unsignedchar
      unsignedshort
      unsignedint
      unsignedlong
      unsignedlonglong
      uintmax_t
      		N/A
      f
      F
      converte 'número de ponto flutuante à notação decimal no estilo [-] ddd.ddd.
      Original:
      converts floating-point number' to the decimal notation in the style [-]ddd.ddd.
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      Precisão especifica o número mínimo de dígitos que aparecem após o caractere de ponto decimal.
      Original:
      Precision specifies the minimum number of digits to appear after the decimal point character.
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      A precisão padrão é 6.
      Original:
      The default precision is 6.
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      Na implementação alternativa' caractere de ponto decimal é escrita, mesmo que não dígitos segui-lo.
      Original:
      In the alternative implementation decimal point character is written even if no digits follow it.
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      Para o infinito e não um número de estilo conversão ver notas.
      Original:
      For infinity and not-a-number conversion style see notes.
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      		N/AN/A
      double
      double
      		N/AN/AN/AN/A
      longdouble
      e
      E
      converte número de ponto flutuante à notação decimal expoente.
      Original:
      converts floating-point number to the decimal exponent notation.
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      Para o estilo de conversão e [-] d.ddd'e ± dd é used.
      Original:
      For the e conversion style [-]d.ddde±dd is used.
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      Para o estilo de conversão E [-] d.ddd'E ± dd é used.
      Original:
      For the E conversion style [-]d.dddE±dd is used.
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      O expoente contém pelo menos dois dígitos, mais dígitos são utilizadas, se necessário.
      Original:
      The exponent contains at least two digits, more digits are used only if necessary.
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      Se o valor for ​0​, o expoente é também ​0​.
      Original:
      If the value is ​0​, the exponent is also ​0​.
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      Precisão especifica o número mínimo de dígitos que aparecem após o caractere de ponto decimal.
      Original:
      Precision specifies the minimum number of digits to appear after the decimal point character.
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      A precisão padrão é 6.
      Original:
      The default precision is 6.
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      Na implementação alternativa' caractere de ponto decimal é escrita, mesmo que não dígitos segui-lo.
      Original:
      In the alternative implementation decimal point character is written even if no digits follow it.
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      Para o infinito e não um número de estilo conversão ver notas.
      Original:
      For infinity and not-a-number conversion style see notes.
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      		N/AN/AN/AN/AN/AN/A
      a
      A
      converte número de ponto flutuante à notação hexadecimal expoente.
      Original:
      converts floating-point number to the hexadecimal exponent notation.
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      Para o estilo de conversão a [-]'0x h.hhh'p ± d é used.
      Original:
      For the a conversion style [-]0xh.hhhp±d is used.
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      Para o estilo de conversão A [-]'0X h.hhh'P ± d é used.
      Original:
      For the A conversion style [-]0Xh.hhhP±d is used.
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      O primeiro dígito hexadecimal é 0 se o argumento não é um valor de ponto flutuante normalizada.
      Original:
      The first hexadecimal digit is 0 if the argument is not a normalized floating point value.
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      Se o valor for ​0​, o expoente é também ​0​.
      Original:
      If the value is ​0​, the exponent is also ​0​.
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      Precisão especifica o número mínimo de dígitos que aparecem após o caractere de ponto decimal.
      Original:
      Precision specifies the minimum number of digits to appear after the decimal point character.
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      A precisão padrão é suficiente para a representação exata do valor.
      Original:
      The default precision is sufficient for exact representation of the value.
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      Na implementação alternativa' caractere de ponto decimal é escrita, mesmo que não dígitos segui-lo.
      Original:
      In the alternative implementation decimal point character is written even if no digits follow it.
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      Para o infinito e não um número de estilo conversão ver notas.
      Original:
      For infinity and not-a-number conversion style see notes.
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      		N/AN/AN/AN/AN/AN/A
      g
      G
      converte 'número de ponto flutuante à notação decimal ou expoente decimal, dependendo do valor e da precisão'.
      Original:
      converts floating-point number to decimal or decimal exponent notation depending on the value and the precision.
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      Para a conversão de conversão com estilo ge estilo ou f será performed.
      Original:
      For the g conversion style conversion with style e or f will be performed.
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      Para a conversão de conversão com estilo GE estilo ou F será performed.
      Original:
      For the G conversion style conversion with style E or F will be performed.
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      Deixe P precisão iguais se 6, diferente de zero se a precisão não é especificado, ou 1 se a precisão é ​0​. Depois, se uma conversão com E estilo teria um expoente de X:
      Original:
      Let P equal the precision if nonzero, 6 if the precision is not specified, or 1 if the precision is ​0​. Then, if a conversion with style E would have an exponent of X:
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      • se P> X ≥ -4, a conversão é com estilo f ou F precisão e P - 1 - X.
        Original:
        if P > X ≥ −4, the conversion is with style f or F and precision P − 1 − X.
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      • caso contrário, a conversão é com estilo e ou E precisão e P - 1.
        Original:
        otherwise, the conversion is with style e or E and precision P − 1.
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      A menos que' representação alternativa é solicitado os zeros à direita são removidos, também o caractere de ponto decimal é removido se nenhuma parte fracionária é deixado.
      Original:
      Unless alternative representation is requested the trailing zeros are removed, also the decimal point character is removed if no fractional part is left.
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      Para o infinito e não um número de estilo conversão ver notas.
      Original:
      For infinity and not-a-number conversion style see notes.
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      		N/AN/AN/AN/AN/AN/A
      n
      retorna 'número de caracteres escritos' o até agora por esta chamada para a função.
      Original:
      returns the number of characters written so far by this call to the function.
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      O resultado é' escrito para o valor apontado pelo argumento.
      Original:
      The result is written to the value pointed to by the argument.
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      A especificação completa deve ser %n.
      Original:
      The complete specification must be %n.
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      		N/AN/Aint*N/AN/AN/AN/AN/AN/A
      p writes an implementation defined character sequence defining a pointer. N/AN/Avoid*N/AN/AN/AN/AN/AN/A
      '' Notas:
      Original:
      Notes:
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      As funções de conversão de ponto flutuante converter infinito para inf ou infinity. Qual é usado é defined.
      implementação
      Original:
      The floating point conversion functions convert infinity to inf or infinity. Which one is used is implementation defined.
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      Não-um número é convertido para nan ou nan(char_sequence). Qual é usado é defined.
      implementação
      Original:
      Not-a-number is converted to nan or nan(char_sequence). Which one is used is implementation defined.
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      As conversões F, E, G, A saída INF, INFINITY, NAN vez.
      Original:
      The conversions F, E, G, A output INF, INFINITY, NAN instead.
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      Original:
      pointer to a null-terminated character string specifying how to interpret the data.
      A cadeia de formato consiste de espaços em branco, não-branco personagens (exceto %) e especificações de conversão. Cada especificação de conversão tem o seguinte formato:
      Original:
      The format string consists of whitespace characters, non-whitespace characters (except %) and conversion specifications. Each conversion specification has the following format:
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      • % caráter introdutório
        Original:
        introductory % character
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      • (opcional) um ou mais sinalizadores que modificam o comportamento da conversão:
        Original:
        (opcional) one or more flags that modify the behavior of the conversion:
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      • -: o resultado da conversão é justificado à esquerda dentro do campo (por padrão é justificada à direita)
        Original:
        -: the result of the conversion is left-justified within the field (by default it is right-justified)
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      • +: o sinal de conversões assinado é sempre prefixado no resultado da conversão (por padrão, o resultado é precedido por menos só quando é negativo)
        Original:
        +: the sign of signed conversions is always prepended to the result of the conversion (by default the result is preceded by minus only when it is negative)
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      • ' Espaço: se o resultado de uma conversão assinada não começa com um carácter de sinal, ou estiver vazio, o espaço é anexado ao resultado. É ignorado se + bandeira está presente.
        Original:
        space: if the result of a signed conversion does not start with a sign character, or is empty, space is prepended to the result. It is ignored if + flag is present.
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      • #:' forma alternativa da conversão é executada. Consulte a tabela abaixo para efeitos exatos.
        Original:
        # : alternative form of the conversion is performed. See the table below for exact effects.
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      • 0: para conversões de números inteiros e de ponto flutuante, zeros à esquerda são usados ​​para preencher o campo em vez de espaço personagens. Para os números de ponto flutuante é ignorada se a precisão é explicitamente especificado. Para outras conversões usando esses resultados bandeira em um comportamento indefinido. É ignorado se - bandeira está presente.
        Original:
        0 : for integer and floating point number conversions, leading zeros are used to pad the field instead of space characters. For floating point numbers it is ignored if the precision is explicitly specified. For other conversions using this flag results in undefined behavior. It is ignored if - flag is present.
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      • (opcional) valor inteiro ou * que especifica a largura de campo mínima. O resultado é preenchido com espaço personagens (por padrão), se necessário, à esquerda quando justificada à direita, ou à direita, se justificado à esquerda. No caso quando * é usado, a largura é especificada por um argumento suplementar de int tipo. Se o valor do argumento é negativo, o resultado com a largura do campo - sinalizador especificado e positivo.
        Original:
        (opcional) integer value or * that specifies minimum field width. The result is padded with space characters (by default), if required, on the left when right-justified, or on the right if left-justified. In the case when * is used, the width is specified by an additional argument of type int. If the value of the argument is negative, it results with the - flag specified and positive field width.
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      • (opcional). seguido de um número inteiro ou * que especifica' precisão da conversão. No caso quando * é usado, o' precisão é especificada por um argumento suplementar de int tipo. Se o valor deste argumento é negativo, ele será ignorado. Consulte a tabela abaixo para efeitos exatos de precisão'.
        Original:
        (opcional). followed by integer number or * that specifies precision of the conversion. In the case when * is used, the precision is specified by an additional argument of type int. If the value of this argument is negative, it is ignored. See the table below for exact effects of precision.
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      • (opcional)' modificador de comprimento que especifica o tamanho do argumento
        Original:
        (opcional)length modifier that specifies the size of the argument
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      • formato de conversão especificador
        Original:
        conversion format specifier
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      Os especificadores de formato disponíveis são:
      Original:
      The following format specifiers are available:
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      Conversion
      specifier       		Explanation Argument type
      length modifier hhh (none) llljztL
      % writes literal %. The full conversion specification must be %%. N/AN/AN/AN/AN/AN/AN/AN/AN/A
      c writes a single characterN/AN/Acharwchar_tN/AN/AN/AN/AN/A
      s writes a character stringN/AN/Achar*wchar_t*N/AN/AN/AN/AN/A
      d
      i
      converte 'decimal inteiro' um assinado no estilo [-] dddd.
      Original:
      converts a signed decimal integer in the style [-]dddd.
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      Precisão' especifica o número mínimo de dígitos que aparecem. A precisão padrão é 1.
      Original:
      Precision specifies the minimum number of digits to appear. The default precision is 1.
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      Se tanto o valor convertido ea precisão são ​0​ os resultados de conversão em nenhum caractere.
      Original:
      If both the converted value and the precision are ​0​ the conversion results in no characters.
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      signedchar
      signedshort
      signedint
      signedlong
      signedlonglong
      intmax_t
      size_t
      ptrdiff_t
      		N/A
      o
      converte um assinado 'inteiro octal' no estilo [-] oooo.
      Original:
      converts a signed octal integer in the style [-]oooo.
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      Precisão' especifica o número mínimo de dígitos que aparecem. A precisão padrão é 1.
      Original:
      Precision specifies the minimum number of digits to appear. The default precision is 1.
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      Se tanto o valor convertido ea precisão são ​0​ os resultados de conversão em nenhum caractere.
      Original:
      If both the converted value and the precision are ​0​ the conversion results in no characters.
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      Na execução alternativa' precisão é aumentada, se necessário, para escrever um zero inicial.
      Original:
      In the alternative implementation precision is increased if necessary, to write one leading zero.
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      Nesse caso, se tanto o valor convertido ea precisão são ​0​, ​0​ único é escrito.
      Original:
      In that case if both the converted value and the precision are ​0​, single ​0​ is written.
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      		N/A
      x
      X
      converte 'inteiro hexadecimal' um assinado no estilo [-] hhhh.
      Original:
      converts a signed hexadecimal integer in the style [-]hhhh.
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      Para as cartas de conversão xabcdef são used.
      Original:
      For the x conversion letters abcdef are used.
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      Para as cartas de conversão XABCDEF são used.
      Original:
      For the X conversion letters ABCDEF are used.
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      Precisão' especifica o número mínimo de dígitos que aparecem. A precisão padrão é 1.
      Original:
      Precision specifies the minimum number of digits to appear. The default precision is 1.
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      Se tanto o valor convertido ea precisão são ​0​ os resultados de conversão em nenhum caractere.
      Original:
      If both the converted value and the precision are ​0​ the conversion results in no characters.
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      Na implementação alternativa'0x ou 0X é prefixado para os resultados se o valor convertido é diferente de zero.
      Original:
      In the alternative implementation0x or 0X is prefixed to results if the converted value is nonzero.
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      		N/A
      u
      converte 'inteiro decimal sem sinal' um no estilo dddd.
      Original:
      converts an unsigned decimal integer in the style dddd.
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      Precision' especifica o número mínimo de dígitos que aparecem.
      Original:
      Precision specifies the minimum number of digits to appear.
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      A precisão padrão é 1.
      Original:
      The default precision is 1.
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      Se tanto o valor convertido ea precisão são ​0​ os resultados de conversão em nenhum caractere.
      Original:
      If both the converted value and the precision are ​0​ the conversion results in no characters.
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      unsignedchar
      unsignedshort
      unsignedint
      unsignedlong
      unsignedlonglong
      uintmax_t
      		N/A
      f
      F
      converte 'número de ponto flutuante à notação decimal no estilo [-] ddd.ddd.
      Original:
      converts floating-point number' to the decimal notation in the style [-]ddd.ddd.
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      Precisão especifica o número mínimo de dígitos que aparecem após o caractere de ponto decimal.
      Original:
      Precision specifies the minimum number of digits to appear after the decimal point character.
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      A precisão padrão é 6.
      Original:
      The default precision is 6.
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      Na implementação alternativa' caractere de ponto decimal é escrita, mesmo que não dígitos segui-lo.
      Original:
      In the alternative implementation decimal point character is written even if no digits follow it.
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      Para o infinito e não um número de estilo conversão ver notas.
      Original:
      For infinity and not-a-number conversion style see notes.
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      		N/AN/A
      double
      double
      		N/AN/AN/AN/A
      longdouble
      e
      E
      converte número de ponto flutuante à notação decimal expoente.
      Original:
      converts floating-point number to the decimal exponent notation.
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      Para o estilo de conversão e [-] d.ddd'e ± dd é used.
      Original:
      For the e conversion style [-]d.ddde±dd is used.
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      Para o estilo de conversão E [-] d.ddd'E ± dd é used.
      Original:
      For the E conversion style [-]d.dddE±dd is used.
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      O expoente contém pelo menos dois dígitos, mais dígitos são utilizadas, se necessário.
      Original:
      The exponent contains at least two digits, more digits are used only if necessary.
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      Se o valor for ​0​, o expoente é também ​0​.
      Original:
      If the value is ​0​, the exponent is also ​0​.
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      Precisão especifica o número mínimo de dígitos que aparecem após o caractere de ponto decimal.
      Original:
      Precision specifies the minimum number of digits to appear after the decimal point character.
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      A precisão padrão é 6.
      Original:
      The default precision is 6.
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      Na implementação alternativa' caractere de ponto decimal é escrita, mesmo que não dígitos segui-lo.
      Original:
      In the alternative implementation decimal point character is written even if no digits follow it.
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      Para o infinito e não um número de estilo conversão ver notas.
      Original:
      For infinity and not-a-number conversion style see notes.
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      		N/AN/AN/AN/AN/AN/A
      a
      A
      converte número de ponto flutuante à notação hexadecimal expoente.
      Original:
      converts floating-point number to the hexadecimal exponent notation.
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      Para o estilo de conversão a [-]'0x h.hhh'p ± d é used.
      Original:
      For the a conversion style [-]0xh.hhhp±d is used.
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      Para o estilo de conversão A [-]'0X h.hhh'P ± d é used.
      Original:
      For the A conversion style [-]0Xh.hhhP±d is used.
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      O primeiro dígito hexadecimal é 0 se o argumento não é um valor de ponto flutuante normalizada.
      Original:
      The first hexadecimal digit is 0 if the argument is not a normalized floating point value.
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      Se o valor for ​0​, o expoente é também ​0​.
      Original:
      If the value is ​0​, the exponent is also ​0​.
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      Precisão especifica o número mínimo de dígitos que aparecem após o caractere de ponto decimal.
      Original:
      Precision specifies the minimum number of digits to appear after the decimal point character.
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      A precisão padrão é suficiente para a representação exata do valor.
      Original:
      The default precision is sufficient for exact representation of the value.
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      Na implementação alternativa' caractere de ponto decimal é escrita, mesmo que não dígitos segui-lo.
      Original:
      In the alternative implementation decimal point character is written even if no digits follow it.
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      Para o infinito e não um número de estilo conversão ver notas.
      Original:
      For infinity and not-a-number conversion style see notes.
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      		N/AN/AN/AN/AN/AN/A
      g
      G
      converte 'número de ponto flutuante à notação decimal ou expoente decimal, dependendo do valor e da precisão'.
      Original:
      converts floating-point number to decimal or decimal exponent notation depending on the value and the precision.
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      Para a conversão de conversão com estilo ge estilo ou f será performed.
      Original:
      For the g conversion style conversion with style e or f will be performed.
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      Para a conversão de conversão com estilo GE estilo ou F será performed.
      Original:
      For the G conversion style conversion with style E or F will be performed.
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      Deixe P precisão iguais se 6, diferente de zero se a precisão não é especificado, ou 1 se a precisão é ​0​. Depois, se uma conversão com E estilo teria um expoente de X:
      Original:
      Let P equal the precision if nonzero, 6 if the precision is not specified, or 1 if the precision is ​0​. Then, if a conversion with style E would have an exponent of X:
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      • se P> X ≥ -4, a conversão é com estilo f ou F precisão e P - 1 - X.
        Original:
        if P > X ≥ −4, the conversion is with style f or F and precision P − 1 − X.
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      • caso contrário, a conversão é com estilo e ou E precisão e P - 1.
        Original:
        otherwise, the conversion is with style e or E and precision P − 1.
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      A menos que' representação alternativa é solicitado os zeros à direita são removidos, também o caractere de ponto decimal é removido se nenhuma parte fracionária é deixado.
      Original:
      Unless alternative representation is requested the trailing zeros are removed, also the decimal point character is removed if no fractional part is left.
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      Para o infinito e não um número de estilo conversão ver notas.
      Original:
      For infinity and not-a-number conversion style see notes.
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      		N/AN/AN/AN/AN/AN/A
      n
      retorna 'número de caracteres escritos' o até agora por esta chamada para a função.
      Original:
      returns the number of characters written so far by this call to the function.
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      O resultado é' escrito para o valor apontado pelo argumento.
      Original:
      The result is written to the value pointed to by the argument.
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      A especificação completa deve ser %n.
      Original:
      The complete specification must be %n.
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      		N/AN/Aint*N/AN/AN/AN/AN/AN/A
      p writes an implementation defined character sequence defining a pointer. N/AN/Avoid*N/AN/AN/AN/AN/AN/A
      '' Notas:
      Original:
      Notes:
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      As funções de conversão de ponto flutuante converter infinito para inf ou infinity. Qual é usado é defined.
      implementação
      Original:
      The floating point conversion functions convert infinity to inf or infinity. Which one is used is implementation defined.
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      Não-um número é convertido para nan ou nan(char_sequence). Qual é usado é defined.
      implementação
      Original:
      Not-a-number is converted to nan or nan(char_sequence). Which one is used is implementation defined.
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      As conversões F, E, G, A saída INF, INFINITY, NAN vez.
      Original:
      The conversions F, E, G, A output INF, INFINITY, NAN instead.
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      The text has been machine-translated via Google Translate.
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      vlist -
      lista de argumentos variável que contém os dados para impressão
      Original:
      variable argument list containing the data to print
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      [editar]Valor de retorno

      1-3)
      Número de caracteres escritos, se o valor de sucesso ou negativa se um erro ocorreu.
      Original:
      Number of characters written if successful or negative value if an error occurred.
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      4)
      Número de caracteres escritos, se o valor de sucesso ou negativa se um erro ocorreu. Se a string resultante fica truncado devido ao limite buf_size, a função retorna o número total de caracteres (não incluindo a terminação nula bytes), que teria sido escrito, se o limite não foi imposta.
      Original:
      Number of characters written if successful or negative value if an error occurred. If the resulting string gets truncated due to buf_size limit, function returns the total number of characters (not including the terminating null-byte) which would have been written, if the limit was not imposed.
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      [editar]Exemplo

      Esta seção está incompleta
      Motivo: sem exemplo

      [editar]Veja também




      (C++11)
      impressões saída formatada para stdout, um fluxo de arquivo ou um tampão
      Original:
      prints formatted output to stdout, a file stream or a buffer
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      (função)[edit]
      (C++11)
      (C++11)
      (C++11)
      lê entrada formatada de stdin, um fluxo de arquivo ou um buffer
      usando lista de argumentos variável
      Original:
      reads formatted input from stdin, a file stream or a buffer
      using variable argument list
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      (função)[edit]
      Documentação C para vprintf, vfprintf, vsprintf, vsnprintf
      Obtida de "https://pt.cppreference.com/mwiki/index.php?title=cpp/io/c/vfprintf&oldid=20775"
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