ftp://ftp.au.netbsd.org/pub/NetBSD/NetBSD-current/src/dist/bind/lib/bind/port/  direct

[DIR]CVS/  direct  1000+ twin directories
829 B  2008-06-22Makefile.in  330+ mirrors
[DIR]aux3/  direct  74 twin directories
[DIR]freebsd/  direct  1000+ twin directories
[DIR]hpux10/  direct  220+ twin directories
[DIR]hpux9/  direct  137 twin directories
[DIR]linux/  direct  1000+ twin directories
[DIR]next/  direct  188 twin directories
[DIR]sunos/  direct  440+ twin directories
[DIR]ultrix/  direct  420+ twin directories
[DIR]aix5/  direct  70 twin directories
[DIR]hpux/  direct  950+ twin directories
[DIR]irix/  direct  570+ twin directories
[DIR]netbsd/  direct  750+ twin directories
[DIR]openbsd/  direct  240+ twin directories
[DIR]prand_conf/  direct  129 twin directories
[DIR]rhapsody/  direct  250+ twin directories
[DIR]sco42/  direct  70 twin directories
[DIR]solaris/  direct  1000+ twin directories
[DIR]unixware20/  direct  70 twin directories
[DIR]unixware212/  direct  70 twin directories
[DIR]unknown/  direct  300+ twin directories
[DIR]aix32/  direct  70 twin directories
[DIR]aix4/  direct  380+ twin directories
[DIR]bsdos/  direct  86 twin directories
[DIR]bsdos2/  direct  70 twin directories
[DIR]cygwin/  direct  570+ twin directories
[DIR]darwin/  direct  480+ twin directories
[DIR]decunix/  direct  71 twin directories
[DIR]lynxos/  direct  360+ twin directories
[DIR]mpe/  direct  450+ twin directories
[DIR]qnx/  direct  580+ twin directories
[DIR]sco50/  direct  70 twin directories
[DIR]unixware7/  direct  84 twin directories