IPPROTO_TCP        34 include/uapi/linux/in.h   IPPROTO_TCP = 6,		/* Transmission Control Protocol	*/
IPPROTO_TCP        35 include/uapi/linux/in.h #define IPPROTO_TCP		IPPROTO_TCP
IPPROTO_TCP        35 include/uapi/linux/in.h #define IPPROTO_TCP		IPPROTO_TCP