Symbol: IN_CLASSB
usr/src/boot/include/netinet/in.h
353
#define IN_CLASSB(i) (((in_addr_t)(i) & 0xc0000000) == 0x80000000)
usr/src/uts/common/netinet/in.h
339
#define IN_CLASSB(i) (((i) & 0xc0000000U) == 0x80000000U)