spell

4.4BSD snapshot (revision 8.1); add 1993 to copyright

misspelled the name of the getgrnam function

text changes or conversion to -mdoc (version 3)

macro and text revision (-mdoc version 3)

delete setgrfile, ANSI style declarations, minor cleanups

new copyright notice

rewritten from getpwent.3; cleanup, add setgroupent()

rework get{gr,pw,fs}ent to all be about the same;
fix some obvious problems, document that set{gr,pw,fs}ent closes any
open files

add setgrfile

4.3BSD beta release manual page

manual page distributed with 4.2BSD

manual page distributed with 4.1BSD