tag	line	file	source code
ip_mc_join_group	80	include/linux/igmp.h	extern int ip_mc_join_group(struct sock *sk, struct device *dev, unsigned long addr);
ip_mc_join_group	2171	net/ipv4/ip.c	return ip_mc_join_group(sk,dev,mreq.imr_multiaddr.s_addr);