protected virtual member function
|single character (1)|
char_type do_toupper (char_type c) const;
const char_type* do_toupper (char_type* low, const char_type* high) const;
Convert to uppercase [virtual]
Virtual protected member function called by ctype::toupper to transform characters into uppercase.
Polymorphic derived classes can overwrite the behavior of this function.
See ctype::toupper for its default behavior in ctype.