typedef struct Note Note;
typedef struct Action Action;

enum {
	Anone,
	Aplay,
	Arepeat,
	Astop,
	Aquit,
};

struct Action {
	int action;
	Note *notes;
	int len;
};	

struct Note {
	Note *next;
	char *name;
	int t, len;
	int vol;
};

void rollstart(char *path, double bpm);
void discardact(Action *act);
void dumpact(Action *act);

extern Channel *rollchan;