isst_get_trl_max_levels
int trl_max_levels = isst_get_trl_max_levels();
int trl_max_levels = isst_get_trl_max_levels();
int trl_max_levels = isst_get_trl_max_levels();
int trl_max_levels = isst_get_trl_max_levels();
extern int isst_get_trl_max_levels(void);