1.PATH: ${LIBC_SRCTOP}/db/btree 2 3SRCS+= bt_close.c bt_conv.c bt_debug.c bt_delete.c bt_get.c bt_open.c \ 4 bt_overflow.c bt_page.c bt_put.c bt_search.c bt_seq.c bt_split.c \ 5 bt_utils.c 6