Open Matching C file (like Xcode)

" Open the corresponding .C/.T/.h/whatever file
function! EG_openMatching()
    let path=expand("%:p:h")
    let pattern=expand("%:t:r").".\\*"
    let cur=expand("%:t")
    let cmd="find ".path." -maxdepth 1 -name ".pattern." -and -not -name ".cur
    let result=system(cmd)
    if v:shell_error
        echom "Error: [".result."] (".len(result).")"
        echom "Command was: [".cmd."]"
    elseif len(result)
        execute ":args ".result
    endif
endfun

nnoremap <M-C-Up> :call EG_openMatching()<CR>