C Tutorial/Wide Character String/Wide Char Calculation

Converting uppercase to lowercase for wide characters

<source lang="cpp">#include <stdio.h> int main(void) {

 wchar_t letter = 0;
 printf("Enter an uppercase letter:"); 
 scanf("%lc", &letter);                
 if(letter >= L"A")
   if (letter <= L"Z")
   {                  
     letter = letter - L"A"+ L"a";
     printf("You entered an uppercase %lc\n", letter);
   }
   else                           
     printf("Try using the shift key, Bud! I want a capital letter.\n");
 return 0;

}</source>

Enter an uppercase letter:A
     You entered an uppercase a