date and time created 90/05/15 22:26:37 by bostic

date and time created 90/05/15 22:26:17 by bostic

from scratch using the ANSI stndard

from the ANSI standard

reset pointer so can call multiple times; bug report 4.3BSD-tahoe/lib/29

fix local declarations to get unsigned comparisons correct (4.3BSD/lib/154)

return null on error (4.3BSD/lib/28)

bug from Sun (Don Cragun). If '-' wasn't specified as a possible
option, return EOF, not an error. For compatibility with System V.

cleanup, fix optind initialization bug, replace example

use strtol()

use strtol(3)

date and time created 89/10/14 14:29:04 by bostic

date and time created 89/10/14 14:28:52 by bostic

POSIX signals, use paths.h for Bourne shell path

posix signals

written by Earl Cohen; add Berkeley specific copyright

don't print out entire pathname in error messages

documented case where realloc(NULL, size) reduces to malloc(size)

pluralize it...

move to compatibility library

lint; if using getopt, probably using stdio -- simplify

add putenv

date and time created 89/02/14 20:32:54 by bostic

typo...

need to block SIGCHLD; ignore INT, QUIT, don't just block