Symbol: RTAX_NETMASK
usr/src/cmd/cmd-inet/usr.sbin/in.routed/defs.h
757
#define INFO_MASK(I) ((I)->rti_info[RTAX_NETMASK])
usr/src/cmd/cmd-inet/usr.sbin/in.routed/table.c
1434
info.rti_info[RTAX_NETMASK] = (struct sockaddr_storage *)&sin_mask;