Typos in comments and in avl(9f) man page: funtion/funtions
manpage - manual pages
The words function and functions are spelled incorrectly at various places through the gate (missing c), notable here in the avl(9f) man page:
The AVL tree interfaces are identical in both userland and the kernel. For more general information on AVL trees, see libavl(3LIB). For more information on any of the funtions defined here, please see the corresponding manual page in section 3AVL. Please note, that while the descriptions in those manual pages are accurate for writers of Device Drivers, the examples provided use scaffolding not available in the kernel, such as the use of malloc(), and need to be adapated.
The other occurences are here: