patch 8.2.2639: build failure when fsync() is not available Commit: https://github.com/vim/vim/commit/5ea79a2599d35f75e1ae8a75d2711c754c4cb7c4 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Mar 22 16:45:35 2021 +0100 patch 8.2.2639: build failure when fsync() is not available Problem: Build failure when fsync() is not available. Solution: Add #ifdef.

" Provide 'PrintVer' command to print the interface versions.

func s:print_ver(lang, ...)
  if has(a:lang)
    exec a:lang join(a:000)
  else
    echo 'N/A'
  endif
  echo ''
endfunc

command -nargs=+ PrintVer call <SID>print_ver(<f-args>)