towlower

   Converts the argument, a wide-character code, to lowercase.
   If the argument is not an uppercase character, it is returned
   unchanged.

   Format

     #include  <wctype.h> (ISO C)

     #include  <wchar.h> (XPG4)

     int towlower  (wint_t wc);
 

Additional information available:

Argument        Description