if (strcasecmp(name, "postmaster") == 0) name = "postmaster";
aliaslookup(name, pstat, e)	char *name;	int *pstat;	ENVELOPE *e;{	static MAP *map = NULL;	if (map == NULL)	{		STAB *s = stab("aliases", ST_MAP, ST_FIND);		if (s == NULL)			return NULL;		map = &s->s_map;	}	if (!bitset(MF_OPEN, map->map_mflags))		return NULL;	return (*map->map_class->map_lookup)(map, name, NULL, pstat);}