obstack_grow(&mangle_obst, prefix, strlen(prefix));
obstack_grow(&mangle_obst, get_id_str(scnd), get_id_strlen(scnd));
obstack_grow(&mangle_obst, suffix, strlen(suffix));
obstack_grow(&mangle_obst, prefix, strlen(prefix));
obstack_grow(&mangle_obst, get_id_str(scnd), get_id_strlen(scnd));
obstack_grow(&mangle_obst, suffix, strlen(suffix));