- looks like <sys/io.h> isn't standardised. Now check for glibc-based systems   (info from Robert Millan)
- looks like <sys/io.h> isn't standardised. Now check for glibc-based systems
  (info from Robert Millan)

marmolejo/bochs-zet,marmolejo/bochs-zet,marmolejo/bochs-zet,marmolejo/bochs-zet,marmolejo/bochs-zet