str: change example to match function being explained.
[ccan] / ccan / sparse_bsearch /
drwxr-xr-x   ..
lrwxrwxrwx 23 LICENSE -> ../../licenses/LGPL-2.1
-rw-r--r-- 1724 _info
-rw-r--r-- 746 sparse_bsearch.c
-rw-r--r-- 1525 sparse_bsearch.h
drwxr-xr-x - test