<dec f='src/src/sys/net/if.h' l='998' type='_Bool ifa_held(struct ifaddr * )'/>
<def f='src/src/sys/net/if.c' l='1656' ll='1661' macro='1' type='_Bool ifa_held(struct ifaddr * ifa)'/>
<use f='src/src/sys/netinet/in.c' l='849' u='c' c='in_purgeaddr'/>
