See two sample programs in examples directory.

To see code annotated with docco comments, download docco directory and view HTML files.  Or just read the man page:

http://www.openbsd.org/cgi-bin/man.cgi/OpenBSD-current/man3/queue.3


A participant in clib (https://github.com/clibs/clib/wiki/Packages):

	$ clib install mbucc/cqueue