at the moment its relying on a pf header. ok?
Index: snmpd.h =================================================================== RCS file: /cvs/src/usr.sbin/snmpd/snmpd.h,v retrieving revision 1.67 diff -u -p -r1.67 snmpd.h --- snmpd.h 16 Aug 2016 18:41:57 -0000 1.67 +++ snmpd.h 2 Oct 2016 05:36:48 -0000 @@ -20,6 +20,8 @@ #ifndef SNMPD_H #define SNMPD_H +#include <sys/tree.h> + #include <net/if.h> #include <net/if_dl.h> #include <netinet/in.h>