From vqueue.h header: * Copyright (c) 1991, 1993 * The Regents of the University of California. All rights reserved. It's very much based on this: http://c

From vqueue.h header: * Copyright (c) 1991, 1993 * The Regents of the University of California. All rights reserved. It's very much based on this: http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/sys/queue.h?annotate=1.68 http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/sys/queue.h?anno... Not very modern, in other words.