hrs@ provided this verison of the patch and showed me where all the needed
changes were to be made outside of gpioctl.c
Approved by: re (hrs)
MFC after: 2 weeks
pin outputs, functions and setup.
Add cross reference in gpioctl(8) for people to find.
This is by no means complete and really only covers gpioled(4) and the
Atheros based systems who expose a few extra hints at boot time.
This should be updated by developers who know more about this system than
I and viewed as the beginning of documentation, not the end.
Reviewed by: adrian
Approved by: re (joel)
MFC after: 2 weeks
In addition to adding `static' where possible:
- bin/date: Move `retval' into extern.h to make it visible to date.c.
- bin/ed: Move globally used variables into ed.h.
- sbin/camcontrol: Move `verbose' into camcontrol.h and fix shadow warnings.
- usr.bin/calendar: Remove unneeded variables.
- usr.bin/chat: Make `line' local instead of global.
- usr.bin/elfdump: Comment out unneeded function.
- usr.bin/rlogin: Use _Noreturn instead of __dead2.
- usr.bin/tset: Pull `Ospeed' into extern.h.
- usr.sbin/mfiutil: Put global variables in mfiutil.h.
- usr.sbin/pkg: Remove unused `os_corres'.
- usr.sbin/quotaon, usr.sbin/repquota: Remove unused `qfname'.
