std::wcschr

 

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iswalnum iswalpha iswlower iswupper iswdigit iswxdigit iswblank (C++11)   wctype iswctype	iswcntrl iswgraph iswspace iswprint iswpunct towlower towupper wctrans towctrans
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wcslen wcscpy wcsncpy wcscat wcsncat wcscmp wcscoll wcsncmp	wcsxfrm wcschr wcsrchr wcspbrk wcsspn wcscspn wcsstr wcstok
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Defined in header <cwchar>
const wchar_t* wcschr( const wchar_t* str, wchar_t ch );
wchar_t* wcschr(       wchar_t* str, wchar_t ch );

Finds the first occurrence of the wide character ch in the wide string pointed to by str.

Parameters

str	-	pointer to the null-terminated wide string to be analyzed
ch	-	wide character to search for

Return value

Pointer to the found character in str, or a null pointer if no such character is found.

Example

Run this code

#include <cwchar>
#include <iostream>
#include <locale>
 
int main()
{
    const wchar_t arr[] = L"白猫 黒猫 кошки";
    const wchar_t* cat = std::wcschr(arr, L'猫');
    const wchar_t* dog = std::wcschr(arr, L'犬');
 
    std::cout.imbue(std::locale("en_US.utf8"));
 
    if (cat)
        std::cout << "The character 猫 found at position " << cat - arr << '\n';
    else
        std::cout << "The character 猫 not found\n";
 
    if (dog)
        std::cout << "The character 犬 found at position " << dog - arr << '\n';
    else
        std::cout << "The character 犬 not found\n";
}

Output:

The character 猫 found at position 1
The character 犬 not found

See also

find	finds the first occurrence of the given substring (public member function of std::basic_string<CharT,Traits,Allocator>)
strchr	finds the first occurrence of a character (function)
wcsrchr	finds the last occurrence of a wide character in a wide string (function)
wcspbrk	finds the first location of any wide character in one wide string, in another wide string (function)
C documentation for wcschr