add information about CTL_VFS

add getvfsbyname

it is known as getbfsbyname

vfc_index => vfc_typenum

sigsetjmp must be written in assembly language

document bidirectional popens

lint

allow popen to use openmode "r+" to specify two way communication

correctly describe return value

POSIX.1, section 5.1.2.4 states that NULL is to be returned from
opendir() and errno is to be set to ENOTDIR if "A component of dirname
is not a directory". This requires the file descriptor to be s

POSIX.1, section 5.1.2.4 states that NULL is to be returned from
opendir() and errno is to be set to ENOTDIR if "A component of dirname
is not a directory". This requires the file descriptor to be stat'd
to ensure that it is a directory. (from J.T. Conklin)

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change devname(3) to return NULL on error, not "??"

Operator precedence bug, "setlogmask(LOG_UPTO(LOG_INFO))" wasn't
working.
From: Ted Lemon <mellon@fugue.com>

wordexp(3) has never existed

void *, not void; From: Craig Leres <leres@ee.lbl.gov>

Null pointer dereference
From: Charles Hannum <mycroft@NetBSD.ORG>

update, cleanup, lint for password field extraction
From: Chris Torek <torek@BSDI.COM>

set errno to EINVAL if arguments incorrect
make pstat an int, not a union wait
don't close the file descriptor if we can't find it on our list
POSIX.2 explicitly disallows blocking SIGINT, SIGQUIT, S

set errno to EINVAL if arguments incorrect
make pstat an int, not a union wait
don't close the file descriptor if we can't find it on our list
POSIX.2 explicitly disallows blocking SIGINT, SIGQUIT, SIGHUP (see the
Rationale)
From: "J.T. Conklin" <jtc@sun-lamp.cs.berkeley.edu>

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date and time created 95/04/03 17:43:02 by mckusick

date and time created 95/04/03 17:43:01 by mckusick

missing comma

wrong termination statement, could cause the environment to be trashed

break getcwd into two layers.

add realpath.0

ignore ${PWD} unless it begins with a leading slash

check $PWD first, if it's right, it's fast