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std::wcslen

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< cpp‎ | string‎ | wide

 
 
Strings Bibliothek
Null-terminierte Strings
Original:
Null-terminated strings
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Byte-Strings
Multibyte-Strings
Wide Strings
Classes
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Classes
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basic_string
char_traits
 
Nullterminierten Wide Strings
Funktionen
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Functions
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Character Manipulation
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Character manipulation
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Umwandlungen in numerische Formate
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Conversions to numeric formats
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String-Manipulation
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String manipulation
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Array-Manipulation
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Array manipulation
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wmemcpy
wmemmove
wmemcmp
wmemchr
wmemset
 
Defined in header <cwchar>
std::size_t wcslen( const wchar_t *str );
Gibt die Länge einer breiten Zeichenfolge, die die Anzahl der Nicht-Null-Wide-Zeichen, die das abschließende Null-Zeichen vorangestellt ist .
Original:
Returns the length of a wide string, that is the number of non-null wide characters that precede the terminating null wide character.
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Inhaltsverzeichnis

[Bearbeiten] Parameter

str -
Zeiger auf die null-terminierte Widestringfelder untersucht werden
Original:
pointer to the null-terminated wide string to be examined
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[Bearbeiten] Rückgabewert

Die Länge des nullterminierten Widestringfelder str .
Original:
The length of the null-terminated wide string str.
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[Bearbeiten] Beispiel

#include <iostream>
#include <cwchar>
int main()
{
    const wchar_t* str = L"Hello, world!";
    std::wcout << "The length of L\"" << str << "\" is " << std::wcslen(str) << '\n';
}

Output:

The length of L"Hello, world!" is 13

[Bearbeiten] Siehe auch

C documentation for wcslen