<dec f='src/src/sys/net/if_gre.h' l='81' type='5'/>
<use f='src/src/sys/net/if_gre.c' l='1036' u='r' c='gre_fp_recv'/>
<use f='src/src/sys/net/if_gre.c' l='1068' u='r' c='gre_fp_send'/>
<use f='src/src/sys/net/if_gre.c' l='1070' u='r' c='gre_fp_send'/>
