/* mCastRouteLib.c - multicast routing interface library *//* Copyright 1984-1997 Wind River Systems, Inc. */#include "copyright_wrs.h"/*modification history--------------------01a,08apr97,vin written*//*DESCRIPTIONThis library contains the interface to the multicast routing.The routine mCastRouteLibInit() is responsible for configuring themulticast routing interface.INCLUDE FILES: netLib.h.pG "Network"NOMANUAL*//* includes */#include "vxWorks.h"#include "netLib.h"#include "net/protosw.h"#include "net/domain.h"#include "net/mbuf.h"#include "netinet/in.h"#include "netinet/in_systm.h"#include "netinet/in_pcb.h"#include "netinet/ip.h"#include "netinet/ip_var.h"#include "netinet/igmp_var.h"#include "netinet/ip_mroute.h"/* externs */IMPORT FUNCPTR _mCastRouteCmdHook;	/* mcast router command Hook *//* globals *//* defines *//* typedefs *//* locals */STATUS mCastRouteLibInit (void)    {    if (_mCastRouteCmdHook != NULL)		/* already configured */        return (OK);    _mCastRouteCmdHook = ip_mrouter_cmd;	/* mcast router command hook */        return (OK);     }