static void proc_screen_script(struct demoscreen *scr, struct ts_node *node);
static void proc_track(struct ts_node *node, const char *pname);
static long io_read(void *buf, size_t bytes, void *uptr);
static void proc_screen_script(struct demoscreen *scr, struct ts_node *node);
static void proc_track(struct ts_node *node, const char *pname);
static long io_read(void *buf, size_t bytes, void *uptr);