Espaços nominais
Variantes
    Ações

      std::tolower

      De cppreference.com

      This page has been machine-translated from the English version of the wiki using Google Translate.

      The translation may contain errors and awkward wording. Hover over text to see the original version. You can help to fix errors and improve the translation. For instructions click here.

      Click here for the English version of this page

      <metanoindex/>

       
      C++
       
      Biblioteca cordas
      Strings terminadas
      Original:
      Null-terminated strings
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      Cadeias de bytes
      Multibyte cordas
      Cordas de largura
      Classes
      Original:
      Classes
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
       
      Cordas de terminação nula de bytes
      Funções
      Original:
      Functions
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      Manipulação personagem
      Original:
      Character manipulation
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      Conversões para formatos numéricos
      Original:
      Conversions to numeric formats
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      Manipulação de cadeia
      Original:
      String manipulation
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      Exame String
      Original:
      String examination
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      Manipulação de memória
      Original:
      Memory manipulation
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      Diversos
      Original:
      Miscellaneous
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
       
      <tbody> </tbody>
      Definido no cabeçalho <cctype>
      int tolower( int ch );
      Converte o caráter dado para minúsculas de acordo com as regras de conversão de caracteres definidos pela localidade C atualmente instalado.
      Original:
      Converts the given character to lowercase according to the character conversion rules defined by the currently installed C locale.
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      Parâmetros

      ch -
      caractere a ser convertido
      Original:
      character to be converted
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      Valor de retorno

      Versão minúscula ch ou ch não modificada se nenhuma versão minúscula é listada na localidade C atual.
      Original:
      Lowercase version of ch or unmodified ch if no lowercase version is listed in the current C locale.
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      Exemplo

      #include <iostream>
#include <cctype>
#include <clocale>

int main()
{
    char c = '\xb4'; // the character Ž in ISO-8859-15
                     // but ´ (acute accent) in ISO-8859-1 

    std::setlocale(LC_ALL, "en_US.iso88591");
    std::cout << std::hex << std::showbase;
    std::cout << "in iso8859-1, tolower('0xb4') gives "
              << std::tolower(c) << '\n';
    std::setlocale(LC_ALL, "en_US.iso885915");
    std::cout << "in iso8859-15, tolower('0xb4') gives "
              << std::tolower(c) << '\n';
}

      Saída: 

      in iso8859-1, tolower('0xb4') gives 0xb4
in iso8859-15, tolower('0xb4') gives 0xb8

      Veja também
      converte um caracter para maiúsculas
      Original:
      converts a character to uppercase
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      (função) [edit]
      		Converte um caracter para minusculo usando o aspecto ctype de uma localidade
      (modelo de função) [edit]
      converte um caractere largo para minúsculas
      Original:
      converts a wide character to lowercase
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      (função) [edit]
      Documentação C para tolower