Symbol: IP_HDRLEN
usr/src/cmd/cmd-inet/usr.bin/pppd/ipcp.c
1942
if (len < IP_HDRLEN) {
usr/src/cmd/cmd-inet/usr.bin/pppd/sys-solaris.c
1515
if (len < IP_HDRLEN || get_ipv(bp) != 4 || get_iphl(bp) < 5) {