<dec f='src/src/sys/net/if.h' l='1044' type='int if_nullioctl(struct ifnet * , u_long , void * )'/>
<def f='src/src/sys/net/if.c' l='376' ll='381' type='int if_nullioctl(struct ifnet * ifp, u_long cmd, void * data)'/>
<use f='src/src/sys/net/if.c' l='1042' u='r' c='if_deactivate'/>
<use f='src/src/sys/net/if.c' l='1461' u='r' c='if_clone_destroy'/>
