getlocalproto
proto = getlocalproto(p);
proto = getlocalproto(ipc->ip_p);
static char *getlocalproto(u_int);
proto = getlocalproto(nl->nl_p[0]);
strcpy(t, getlocalproto(nl->nl_p[0]));
proto = getlocalproto(sl->isl_p);