<dec f='src/src/sys/net/if.h' l='461'/>
<doc f='src/src/sys/net/if.h' l='460'>/* 0x01 .. 0x40 were previously used */</doc>
<use f='src/src/sys/net/if_vlan.c' l='343' u='c'/>
<use f='src/src/sys/netinet/ip_output.c' l='689' u='c'/>
<use f='src/src/sys/netinet/tcp_output.c' l='640' u='c'/>
