tag	line	file	source code
ifru_metric	109	include/linux/if.h	int  ifru_metric;
ifru_metric	124	include/linux/if.h	#define  ifr_metric  ifr_ifru.ifru_metric  /* metric    */
ifru_metric	148	include/linux/if_ppp.h	#define ifr_mtu  ifr_ifru.ifru_metric