Remove getopt and strtol dependencies, reducing size of static exe. Preserve older desired behavior, accept [+-]*[0-9]*\.[0-9]* Remove a few unnecessary casts.
Remove getopt and strtol dependencies, reducing size of static exe.
Preserve older desired behavior, accept [+-]*[0-9]*\.[0-9]*
Remove a few unnecessary casts.

%ls -l /bin/sleep
-r-xr-xr-x  1 root  wheel  61332 Oct 28 05:16 /bin/sleep
%ls -l /usr/obj/usr/src/bin/sleep/sleep
-rwxr-xr-x  1 root  wheel  19124 Nov 13 12:12 /usr/obj/usr/src/bin/sleep/sleep

Submitted by:	Tim Kientzle <kientzle@acm.org>

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase