A clone of A Vim plugin posted here: http://www.melvilletheatre.com/articles/ncurses-vim/
The original author is Frank Cox and his email address is theatre@melvilletheatre.com. Written in the help file:
This is a syntax file that enhances the c.vim file that is distributed with the Vim text editor. The purpose is to highlight ncurses keywords, which is useful to avoid typos, and it makes your source code look pretty too.