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      std::memchr

      De cppreference.com

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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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      Cordas de terminação nula de bytes
      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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      Exame String
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      String examination
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      Manipulação de memória
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      Memory manipulation
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      Diversos
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      Miscellaneous
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      <tbody> </tbody>
      Definido no cabeçalho <cstring>
      const void* memchr( const void* ptr, int ch, std::size_t count );
            void* memchr( void* ptr, int ch, std::size_t count );
      Converte ch para unsigned char e localiza a primeira ocorrência desse valor nos personagens count iniciais (cada interpretado como unsigned char) do objeto apontado por ptr.
      Original:
      Converts ch to unsigned char and locates the first occurrence of that value in the initial count characters (each interpreted as unsigned char) of the object pointed to by ptr.
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      Parâmetros

      ptr -
      ponteiro para o objeto a ser examinado
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      pointer to the object to be examined
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      ch -
      caracteres para pesquisa
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      character to search for
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      count -
      número de caracteres para examinar
      Original:
      number of characters to examine
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      Valor de retorno

      Ponteiro para a localização do personagem, ou NULL se nenhum desses personagens é encontrada.
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      Pointer to the location of the character, or NULL if no such character is found.
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      Exemplo

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      Motivo: sem exemplo

      Veja também
      encontra a primeira ocorrência de um caractere
      Original:
      finds the first occurrence of a character
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      (função) [edit]


      (C++11)
      encontra o primeiro elemento satisfazer critérios específicos
      Original:
      finds the first element satisfying specific criteria
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      (modelo de função) [edit]
      Documentação C para memchr