Symbol: IN_CLASSA
usr/src/boot/include/netinet/in.h
347
#define IN_CLASSA(i) (((in_addr_t)(i) & 0x80000000) == 0)
usr/src/uts/common/netinet/in.h
333
#define IN_CLASSA(i) (((i) & 0x80000000U) == 0)