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std::iswlower

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< cpp‎ | string‎ | wide

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C++
 
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Null-terminierte Strings
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Null-terminated strings
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Classes
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Nullterminierten Wide Strings
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Conversions to numeric formats
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wmemcpy
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definiert in Header <cwctype>
int iswlower( std::wint_t ch );
Prüft, ob die gegebene große Zeichen ist ein Kleinbuchstabe, dh eine abcdefghijklmnopqrstuvwxyz oder Kleinbuchstaben spezifisch für den aktuellen locale .
Original:
Checks if the given wide character is a lowercase letter, i.e. one of abcdefghijklmnopqrstuvwxyz or any lowercase letter specific to the current locale.
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Inhaltsverzeichnis

[Bearbeiten] Parameter

ch -
Wide-Character
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wide character
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[Bearbeiten] Rückgabewert

Nicht-Null-Wert (true), wenn die breite Zeichen ein Kleinbuchstabe ist, 0 (false) ansonsten .
Original:
Non-zero value (true) if the wide character is an lowercase letter, 0 (false) otherwise.
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[Bearbeiten] Beispiel

#include <iostream>
#include <cwctype>
#include <clocale>
 
int main()
{
    wchar_t c = L'\u0444'; // Cyrillic small letter ef ('ф')
 
    std::cout << std::hex << std::showbase << std::boolalpha;
    std::cout << "in the default locale, iswlower(" << (std::wint_t)c << ") = "
              << (bool)std::iswlower(c) << '\n';
    std::setlocale(LC_ALL, "en_US.utf8");
    std::cout << "in Unicode locale, iswlower(" << (std::wint_t)c << ") = "
              << (bool)std::iswlower(c) << '\n';
}

Output: 

in the default locale, iswlower(0x444) = false
in Unicode locale, iswlower(0x444) = true

[Bearbeiten] Siehe auch
prüft, ob ein Zeichen als Kleinbuchstaben durch eine locale eingestuft
Original:
checks if a character is classified as lowercase by a locale
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(Funktions-Template) [edit]
prüft, ob ein Zeichen in Kleinbuchstaben
Original:
checks if a character is lowercase
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(Funktion) [edit]
C documentation for iswlower
ASCII values
(hex) 		characters

iscntrl
iswcntrl

isprint
iswprint

isspace
iswspace

isblank
iswblank

isgraph
iswgraph

ispunct
iswpunct

isalnum
iswalnum

isalpha
iswalpha

isupper
iswupper

islower
iswlower

isdigit
iswdigit

isxdigit
iswxdigit

0 - 8 0x00-0x08 control codes (NUL, etc.) ≠0 0 0 0 0 0 0 0 0 0 0 0
9 0x09 tab (\t) ≠0 0 ≠0 ≠0 0 0 0 0 0 0 0 0
10 - 13 0x0A-0x0D whitespaces (\n,\v,\f,\r) ≠0 0 ≠0 0 0 0 0 0 0 0 0 0
14 - 31 0x0E-0x1F control codes ≠0 0 0 0 0 0 0 0 0 0 0 0
32 0x20 space 0 ≠0 ≠0 ≠0 0 0 0 0 0 0 0 0
33 - 47 0x21-0x2F !"#$%&'()*+,-./ 0 ≠0 0 0 ≠0 ≠0 0 0 0 0 0 0
48 - 57 0x30-0x39 0123456789 0 ≠0 0 0 ≠0 0 ≠0 0 0 0 ≠0 ≠0
58 - 64 0x3a-0x40 :;<=>?@ 0 ≠0 0 0 ≠0 ≠0 0 0 0 0 0 0
65 - 70 0x41-0x46 ABCDEF 0 ≠0 0 0 ≠0 0 ≠0 ≠0 ≠0 0 0 ≠0
71 - 90 0x47-0x5A GHIJKLMNOPQRSTUVWXYZ 0 ≠0 0 0 ≠0 0 ≠0 ≠0 ≠0 0 0 0
91 - 96 0x5B-0x60 [\]^_` 0 ≠0 0 0 ≠0 ≠0 0 0 0 0 0 0
97 -102 0x61-0x66 abcdef 0 ≠0 0 0 ≠0 0 ≠0 ≠0 0 ≠0 0 ≠0
103-122 0x67-0x7A ghijklmnopqrstuvwxyz 0 ≠0 0 0 ≠0 0 ≠0 ≠0 0 ≠0 0 0
123-126 0x7B-0x7E {|}~ 0 ≠0 0 0 ≠0 ≠0 0 0 0 0 0 0
127 0x7F backspace character (DEL) ≠0 0 0 0 0 0 0 0 0 0 0 0
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