* include/mibgroup/mibII/itf_helpers.h: * src/mibgroup/mibII/helpers.c: (New) Functions for finding the interface structure for Free and open BSD. * src/mibgroup/mibII/interfaces.c: Use the helper functions and other changes needed for the FreeBSD stack. * src/mibgroup/mibII/ip.c: Ditto * src/mibgroup/mibII/udp.c: Ditto * src/mibgroup/mibII/tcp.c: Ditto * src/mibgroup/mibII/dot3.c: Ditto * cdl/snmpagent.cdl: Removed the requirement for the OpenBSD stack. * doc/snmp.sgml: Removed the documented requirement for the OpenBSD stack