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std::tolower

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Conversions to numeric formats
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definiert in Header <cctype>
int tolower(int ch );
Konvertiert den angegebenen Charakter nach den Zeichenkonvertierung Regeln der aktuell installierten C Gebietsschema definiert Kleinschreibung .
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Converts the given character to lowercase according to the character conversion rules defined by the currently installed C locale.
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Inhaltsverzeichnis

[Bearbeiten]Parameter

ch -
Zeichen umgewandelt werden
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character to be converted
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[Bearbeiten]Rückgabewert

Kleinbuchstaben Version ch oder unmodifizierte ch wenn keine Kleinbuchstaben Version wird in der aktuellen C locale aufgeführt .
Original:
Lowercase version of ch or unmodified ch if no lowercase version is listed in the current C locale.
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[Bearbeiten]Beispiel

#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';}

Output:

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

[Bearbeiten]Siehe auch

wandelt ein Zeichen in Großbuchstaben
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converts a character to uppercase
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(Funktion)[edit]
converts a character to lowercase using the ctype facet of a locale
(Funktions-Template)[edit]
wandelt eine weite Zeichen in Kleinbuchstaben
Original:
converts a wide character to lowercase
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(Funktion)[edit]
C documentation for tolower
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