IN_CLASSA         250 include/uapi/linux/in.h #define	IN_CLASSA(a)		((((long int) (a)) & 0x80000000) == 0)
IN_CLASSA         250 tools/include/uapi/linux/in.h #define	IN_CLASSA(a)		((((long int) (a)) & 0x80000000) == 0)