bts_action
((struct bts_action *)ptr)->size,
((struct bts_action *)ptr)->type);
action_ptr = &(((struct bts_action *)ptr)->data[0]);
switch (((struct bts_action *)ptr)->type) {
len -= (sizeof(struct bts_action) +
((struct bts_action *)ptr)->size);
ptr += sizeof(struct bts_action) +
((struct bts_action *)ptr)->size;