trim some unused compile options for alternative character forms.

Add blank line after pledge call.

Change all tame callers to namechange to pledge(2).

banner can be restricted to tame "stdio". if this program is put into a
foreign-data pipeline, and happens to contain a string handling bug, i do
not want it being controlled to open a socket.
ok doug

rcsid[] and sccsid[] and copyright[] are essentially unmaintained (and
unmaintainable). these days, people use source. these id's do not provide
any benefit, and do hurt the small install media
(the 33,000 line diff is essentially mechanical)
ok with the idea millert, ok dms

mostly ansi cleanup; pval ok

Remove the advertising clause in the UCB license which Berkeley
rescinded 22 July 1999. Proofed by myself and Theo.

fix printing of "" and other weird chars. from alexander@beard.se
closes pr3146 and pr3147

ok millert@

kill more registers

millert@ ok

use strlcpy vs strncpy+a[len-1]='\0'; Brian Poole <raj@cerias.purdue.edu>

Wall

rcsid

branches: 1.1.1;
Initial revision