protected virtual member function


single character (1)
       char_type do_tolower (char_type c) const;
sequence (2)
const char_type* do_tolower (char_type* low, const char_type* high) const;
Convert to lowercase [virtual]
Virtual protected member function called by ctype::tolower to transform characters into lowercase.

Polymorphic derived classes can overwrite the behavior of this function.

See ctype::tolower for its default behavior in ctype.

See also