Add vimrc config just for C programming

.vimrc-alt

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+" disable vi compatibility
+set nocompatible
+
+" set UTF-8 encoding
+set enc=utf-8
+set fenc=utf-8
+set termencoding=utf-8
+
+" use indentation of previous line
+set autoindent
+
+" use intelligent indentation for C
+set smartindent
+
+" configure tabwidth and insert spaces instead of tabs
+set tabstop=4        " tab width is 4 spaces
+set shiftwidth=4     " indent also with 4 spaces
+set expandtab        " expand tabs to spaces
+
+set cc=80
+
+" turn syntax highlighting on
+set t_Co=256
+syntax on
+" :color shine
+:colorscheme jellybeans
+
+" turn line numbers on
+set number
+
+" highlight matching braces
+set showmatch
+
+" Enhanced keyboard mappings
+"
+" in normal mode F2 will save the file
+nmap <F2> :w<CR>
+
+" in insert mode F2 will exit insert, save, enters insert again
+imap <F2> <ESC>:w<CR>i
+
+" switch between header/source with F4
+map <F4> :e %:p:s,.h$,.X123X,:s,.c$,.h,:s,.X123X$,.c,<CR>
+
+map <F5> :make<CR>
+map <F6> :make clean all<CR>