node_gid
struct node_gid *next;
struct node_gid *tail;
struct node_gid *gid;
$$ = calloc(1, sizeof(struct node_gid));
$$ = calloc(1, sizeof(struct node_gid));
$$ = calloc(1, sizeof(struct node_gid));
struct node_uid *, struct node_gid *, struct node_icmp *,
struct node_gid *gid;
struct node_uid *uids, struct node_gid *gids, struct node_icmp *icmp_types,
LOOP_THROUGH(struct node_gid, gid, gids,
FREE_LIST(struct node_gid, gids);