1 Another useful plugin for C development is cscope Just as Ctags lets you jump to definitions, Cscope jumps to the calling functions.
2 If you have cscope in your ~/bin/ directory, add the following to your .vimrc and use g^] to go to the calling function (see :help cscope).
3 if has("cscope") set csprg=~/bin/cscope set csto=0 set cst set nocsverb " add any database in current directory if filereadable("cscope.out") cs add..