Symbol: IP_MULTICAST_LOOP
usr/src/boot/include/netinet/in.h
419
#define IP_MULTICAST_LOOP 11 /* u_char; set/get IP multicast loopback */
usr/src/uts/common/netinet/in.h
924
#define IP_MULTICAST_LOOP 0x12 /* set/get IP multicast loopback */