#include
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;
}
Enter an uppercase letter:A
You entered an uppercase a