tag	line	file	source code
ip_mc_ttl	187	include/net/sock.h	int        ip_mc_ttl;      /* Multicasting TTL     */
ip_mc_ttl	723	net/ipv4/af_inet.c	sk->ip_mc_ttl=1;
ip_mc_ttl	2043	net/ipv4/ip.c	sk->ip_mc_ttl=(int)ucval;
ip_mc_ttl	2277	net/ipv4/ip.c	val=sk->ip_mc_ttl;
ip_mc_ttl	2616	net/ipv4/ip.c	iph->ttl = sk->ip_mc_ttl;