std::wcschr (3) - Linux Manuals

std::wcschr: std::wcschr

NAME

std::wcschr - std::wcschr

Synopsis

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 NULL if no such character is found.

Example

// Run this code

  #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