<dec f='src/src/sys/net/if.h' l='624' type='struct if_data'/>
<offset>128</offset>
<use f='src/src/sys/net/rtsock.c' l='1290' u='w' c='compat_50_rt_ifmsg'/>
<use f='src/src/sys/net/rtsock.c' l='1580' u='w' c='sysctl_iflist_if'/>
