std::wcscspn - cppreference.com
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      std::wcscspn

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      <metanoindex/>

       
      C++
       
      Biblioteca cordas
      Strings terminadas
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      Null-terminated strings
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      Cadeias de bytes
      Multibyte cordas
      Cordas de largura
      Classes
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      Classes
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      Strings terminadas largura
      Funções
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      Functions
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      Manipulação personagem
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      Character manipulation
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      Conversões para formatos numéricos
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      Conversions to numeric formats
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      Manipulação de cadeia
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      String manipulation
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      Manipulação matriz
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      Array manipulation
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      <tbody> </tbody>
      Definido no cabeçalho <cwchar>
      std::size_t wcscspn( const wchar_t* dest, const wchar_t* src );
      Retorna o comprimento do segmento inicial máximo da corda larga apontado por dest, que consiste apenas os caracteres não encontrados na cadeia de gama apontado por src.
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      Returns the length of the maximum initial segment of the wide string pointed to by dest, that consists of only the characters not found in wide string pointed to by src.
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      Parâmetros

      dest -
      ponteiro para a string terminada em null amplo para ser analisado
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      pointer to the null-terminated wide string to be analyzed
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      src -
      ponteiro para a string terminada em null larga que contém os caracteres a procurar
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      pointer to the null-terminated wide string that contains the characters to search for
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      Valor de retorno

      O comprimento do segmento inicial máximo que contém somente caracteres não encontrados na cadeia de caracteres apontada por src
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      The length of the maximum initial segment that contains only characters not found in the character string pointed to by src
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      Exemplo

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