If you have information about these functions, please look in the source code,
write a man page (using a style similar to that of the other Linux section 3
man pages), and send it to firstname.lastname@example.org for inclusion in the
next man page release.
This page is part of release 5.01 of the Linux man-pages project. A
description of the project, information about reporting bugs, and the latest
version of this page, can be found at https://www.kernel.org/doc/man-pages/.