reorganize to allow pid_t to become u_long

pid_t becomes a u_long

reorganize to better alignment

__{get,set}rlimit => {get,set}rlimit

gone are things that belonged in pathconf

__lseek => lseek

pedantically ANSI, i.e., nothing after #else/#endif

per-process limits are resources, not sysctl(3) variables

add KERN_MAXUPROC, KERN_MAXUFILES, USER_STREAM_MAX and
USER_TZNAME_MAX for POSIX 1003.1

add _SC_STREAM_MAX and _SC_TZNAME_MAX for POSIX 1003.1

add boottime

use correct name in comments for cmsghdr

get rid of old trash

make definitions of user and super-user changeable flags

endian.h now protects itself

no need to include endian.h as it is brought in by types.h

describe the _POSIX_SAVED_IDS behavior

fold rest of POSIX 1003.1, 1003.2 configurable system variables into sysctl

add prototype for lseek to make programs casting second arg to off_t work

delete hardware speed, add machine byte order

add uint for S5 compatibility, move ANSI/POSIX tests down into
machine/include/types.h, some of it should now be visible

add hashfraction to gmonparam; enable getting of gmonparam

update to 4.4BSD release values (32 days to go...)

add FSCRED to identify opens by filesystems

protect against multiple inclusion