ppp_channel_index
if (put_user(ppp_channel_index(&ap->chan), p))
EXPORT_SYMBOL(ppp_channel_index);
if (put_user(ppp_channel_index(&ap->chan), p))
index = ppp_channel_index(&po->chan);
ret = ppp_channel_index(network->ppp_channel);
extern int ppp_channel_index(struct ppp_channel *);
return put_user(ppp_channel_index(&atmvcc_to_pvcc(atmvcc)->