libncursesw5-dev 5.9+20130608-1ubuntu1 (amd64 binary) in ubuntu saucy

 The ncurses library routines are a terminal-independent method of
 updating character screens with reasonable optimization.
 .
 This package contains the header files, static libraries
 and symbolic links that developers using ncursesw will need.
 .
 This package includes support for wide characters.