find -xdev should return mount points, just not contents.
-rw-r--r-- 85 .hgignore
-rw-r--r-- 2379 Config.in
-rw-r--r-- 818 LICENSE
-rw-r--r-- 2129 Makefile
-rw-r--r-- 3346 README
-rw-r--r-- 657 configure
drwxr-xr-x - generated
drwxr-xr-x - kconfig
drwxr-xr-x - lib
-rw-r--r-- 5267 main.c
drwxr-xr-x - scripts
-rw-r--r-- 3978 toys.h
drwxr-xr-x - toys
drwxr-xr-x - www