after/ftplugin/c.vim

Enforce vim script implementation to reduce ambiguities and improve robustness:

scriptversion 4

Use :make to compile C/C++, even without a Makefile:

if !filereadable('Makefile')
    call filetypes#apply_ftplugin('makeprg=gcc -o %< %')
endif

See also

• filetypes#apply_ftplugin()

Add a little whitespace to comments:

call filetypes#apply_ftplugin('commentstring=/* %s */')

See also

• filetypes#apply_ftplugin()

Re-add C includes where they’re useful:

setlocal path+=/usr/include