IN_CLASSC         262 include/uapi/linux/in.h #define	IN_CLASSC(a)		((((long int) (a)) & 0xe0000000) == 0xc0000000)
IN_CLASSC         262 tools/include/uapi/linux/in.h #define	IN_CLASSC(a)		((((long int) (a)) & 0xe0000000) == 0xc0000000)