vimrc for c highlighting issues

set fileencoding=utf=8
set number
set nocompatible
set mousehide  " hide mouse after typeing
set hlsearch
set splitright
set wildmenu
set incsearch
set showcmd
syntax on

" directories   {
set directory=~/.vim/swap
set backupdir=~/.vim/backups

nnoremap <C-J> <C-W>j
nnoremap <C-H> <C-W>h
nnoremap <C-K> <C-W>k
nnoremap <C-L> <C-W>l