Macros in wctype.h

The wctype.h header file has following macros.

• iswalnum(), iswalpha(), iswblank(), iswcntrl(), iswdigit(), iswgraph(), iswlower(), iswprint(), iswpunct(), iswspace(), iswupper(), iswxdigit()
  
  
• towlower(), towupper()
  
  
• wctrans()
  
  
• towctrans()