Various patches for nextstep by GregorHoffleit

src/backend/postmaster/postmaster.c

src/bin/pg_dump/common.c

src/bin/pg_dump/pg_dump.c

src/bin/psql/psql.c

src/bin/psql/stringutils.c

src/interfaces/libpq/fe-connect.c

src/port/ultrix4.h