XBPS includes the following software from third parties for internal use in the code: - queue.h from NetBSD: include/queue.h. - package pattern matching code from NetBSD: lib/external/dewey.c and lib/external/match.c - strlcat and strlcpy functions from OpenBSD: lib/compat/strlc{at,cpy}.c - humanize_number(3) from NetBSD: lib/external/humanize_number.c - mkpath from NetBSD's mkdir(1): lib/external/mkpath.c - libfetch-2.31 from NetBSD: lib/fetch - portableproplib-0.4.1 (lib/portableproplib) from http://code.google.com/p/portableproplib