This page lists various coccinelle scripts used for NetBSD:

# This will show possible aprint_debug to aprint_debug_dev replacements
$ spatch -sp_file aprint2aprint_dev.cocci -D aprint=aprint_debug -D aprint_dev=aprint_debug_dev -dir /path_to_directory/
...
# This will show possible aprint_normal to aprint_normal_dev replacements
$ spatch -sp_file aprint2aprint_dev.cocci -D aprint=aprint_normal -D aprint_dev=aprint_normal_dev -dir /path_to_directory/

... and so forth.