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std::wcschr

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< cpp‎ | string‎ | wide
Revision as of 23:27, 31 May 2013 by P12bot (Talk | contribs)

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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.

Contents

[edit] Parameters

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

[edit] Return value

Pointer to the found character in str, or NULL if no such character is found.

[edit] Example

#include <iostream>
#include <cwchar>
#include <locale>
 
int main()
{
    wchar_t arr[] = L"招き猫 кошка";
    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 2
The character 犬 not found

[edit] See also

find characters in the string
(public member function of std::basic_string) [edit]
finds the first occurrence of a character
(function) [edit]
finds the last occurrence of a wide character in a wide string
(function) [edit]
finds the first location of any wide character in one wide string, in another wide string
(function) [edit]
C documentation for wcschr