- keep the case consistent between the actual name and what's referenced.
e.g, if it's `foo', don't use '.Nm Foo' at the start of a sentence.
- remove unnecessary `.Nm foo' after the first occurrence (except for
using `.Nm ""' if there's stuff following, or for the 2nd and so on
occurrences in a SYNOPSIS
- use Sx, Ic, Li, Em, Sq, and Xr as appropriate
- be safe with unlinking files (from freebsd)
- remove register
- clean up $NetBSD$'s.
- use inet_ntoa() in one place (from openbsd)
- nul terminate after a bunch of strncpy()'s
- #ifdef __STDC__ rather than #if (from freebsd)
- be safe with a bunch of string operations (from freebsd)
- use warn()/err() over home grown versions (some from freebsd)
- rename warn() to nodaemon() to remove conflict with above
- check errno from failed kill(2) against ESRCH (from freebsd)
- use getopt() rather than home grown versions (from freebsd)
- clean up a bunch of man pages (some from freebsd)
- check for hostname spoof (from freebsd)
- use POSIX wait() interfaces
- use sysconf(_SC_OPEN_MAX) in preference to NOFILE (from freebsd)
- deal with fork() failure
- index/rindex -> strchr/strrchr (some from freebsd)
- add B57600 and B115200 speeds (from freebsd)
- some KNF
- be safe with files passed in over the network (some from freebsd)
- check return value of malloc(), calloc() and strdup()
