first pass at making DB use basic integral types (the Alpha port)

first pass at making DB use basic integral types (the Alpha port)

SCCS-vsn: lib/libc/db/btree/bt_conv.c 8.2
SCCS-vsn: lib/libc/db/btree/bt_debug.c 8.2
SCCS-vsn: lib/libc/db/btree/bt_delete.c 8.3
SCCS-vsn: lib/libc/db/btree/bt_open.c 8.4
SCCS-vsn: lib/libc/db/btree/bt_page.c 8.2
SCCS-vsn: lib/libc/db/btree/bt_search.c 8.5
SCCS-vsn: lib/libc/db/btree/bt_split.c 8.2
SCCS-vsn: lib/libc/db/btree/bt_stack.c 8.2
SCCS-vsn: lib/libc/db/btree/bt_utils.c 8.3
SCCS-vsn: lib/libc/db/btree/btree.h 8.5
SCCS-vsn: lib/libc/db/btree/extern.h 8.3
SCCS-vsn: lib/libc/db/hash/extern.h 8.2
SCCS-vsn: lib/libc/db/hash/hash.c 8.6
SCCS-vsn: lib/libc/db/hash/hash.h 8.2
SCCS-vsn: lib/libc/db/hash/hash_func.c 8.2
SCCS-vsn: lib/libc/db/hash/hash_page.c 8.3
SCCS-vsn: lib/libc/db/hash/hsearch.c 8.3
SCCS-vsn: lib/libc/db/man/btree.3 8.3
SCCS-vsn: lib/libc/db/man/hash.3 8.5
SCCS-vsn: lib/libc/db/man/recno.3 8.3
SCCS-vsn: lib/libc/db/recno/extern.h 8.2
SCCS-vsn: lib/libc/db/recno/rec_close.c 8.3
SCCS-vsn: lib/libc/db/recno/rec_delete.c 8.4
SCCS-vsn: lib/libc/db/recno/rec_open.c 8.5
SCCS-vsn: lib/libc/db/recno/rec_search.c 8.3