Change parse to parseaddr for BB&N TCP/IP implementation; clean up

Change parse to parseaddr for BB&N TCP/IP implementation; clean up
comments in daemon.c to simplify the poor alternate protocol type.

SCCS-mr: usr.sbin/sendmail/src/alias.c 108
SCCS-mr: usr.sbin/sendmail/src/sendmail.h 108
SCCS-mr: usr.sbin/sendmail/src/savemail.c 108
SCCS-mr: usr.sbin/sendmail/src/version.c 108
SCCS-mr: usr.sbin/sendmail/src/daemon.c 108
SCCS-mr: usr.sbin/sendmail/src/envelope.c 108
SCCS-mr: usr.sbin/sendmail/src/recipient.c 108
SCCS-mr: usr.sbin/sendmail/src/parseaddr.c 108
SCCS-vsn: usr.sbin/sendmail/src/alias.c 3.44
SCCS-vsn: usr.sbin/sendmail/src/sendmail.h 3.105
SCCS-vsn: usr.sbin/sendmail/src/savemail.c 3.53
SCCS-vsn: usr.sbin/sendmail/src/version.c 3.263
SCCS-vsn: usr.sbin/sendmail/src/daemon.c 3.38
SCCS-vsn: usr.sbin/sendmail/src/envelope.c 3.4
SCCS-vsn: usr.sbin/sendmail/src/recipient.c 3.50
SCCS-vsn: usr.sbin/sendmail/src/parseaddr.c 3.70