Difference between revisions of "cpp/string/wide/wcslen"
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Returns the length of a wide string, that is the number of non-null wide characters that precede the terminating null wide character. | Returns the length of a wide string, that is the number of non-null wide characters that precede the terminating null wide character. | ||
===Parameters=== | ===Parameters=== | ||
| − | {{ | + | {{par begin}} |
| − | {{ | + | {{par |str | pointer to the null-terminated wide string to be examined}} |
| − | {{ | + | {{par end}} |
===Return value=== | ===Return value=== | ||
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===See also=== | ===See also=== | ||
| − | {{ | + | {{dsc begin}} |
| − | {{ | + | {{dsc see c | c/string/wide/wcslen}} |
| − | {{ | + | {{dsc end}} |
[[de:cpp/string/wide/wcslen]] | [[de:cpp/string/wide/wcslen]] | ||
Revision as of 19:58, 31 May 2013
| Defined in header <cwchar>
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| std::size_t wcslen( const wchar_t *str ); |
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Returns the length of a wide string, that is the number of non-null wide characters that precede the terminating null wide character.
Contents |
Parameters
| str | - | pointer to the null-terminated wide string to be examined |
Return value
The length of the null-terminated wide string str.
Example
Run this code
#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
See also
| C documentation for wcslen
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