replace old bcopy/bzero with standard functions. ok kettenis
bcmp -> memcmp
printf(variable) --> printf("%s", variable)

ok deraadt@
Add db_vprintf(), and then use it in ACPI's db_disprint() instead of
formatting into a local buffer.

ok miod@
Remove the scatter/gather dma implementation as it is no longer used.

ok krw@, deraadt@
Have df(1) in the daily output show the inodes used/free.

a few developers thought this was a reasonable/good idea.
POSIX no longer requires sys/types.h be included to get the pid_t
definition, and neither do our headers.  OK espie@ guenther@
handle ttysize/TIOCGSIZE as a fallback for winsize/TIOCGWINSZ, not the
other way around; ok millert@
Rewrite receive filter handling and ioctl bits.

Tested by ISIHARA Takanori
add vendor SACOM (0ba0h)
regen
add SACOM USB485BL
add FUJITSU component FX-5251WB
regen
add IIJmobile 510FU
regen
add an entry for "IIJmobile 510FU"
Zap some getdirentries() leftovers.

okay guenther@
Remove the 4.3BSD tty(4) compatibility shims.  RIP.  ok millert@
4.3BSD tty compatibility and the associated ioctls are gone