Symbol: IN_CLASSD
sys/netinet/in.h
210
#define IN_CLASSD(i) (((u_int32_t)(i) & __IPADDR(0xf0000000)) == \
usr.sbin/tcpdump/print-ip.c
50
#define IN_CLASSD(i) (((int32_t)(i) & 0xf0000000) == 0xe0000000)