ga_member_cb_data_t
static int ga_member_find(ctf_id_t, ga_member_cb_data_t *);
ga_member_cb_data_t *md = arg;
ga_member_cb_data_t smd;
ga_member_find(ctf_id_t curtype, ga_member_cb_data_t *md)
ga_member_cb_data_t md = { 0 };