spkr_state
playinit(struct spkr_state *state)
playtone(struct spkr_state *state, int pitch, int value, int sustain)
playstring(struct spkr_state *state, char *cp, size_t slen)
struct spkr_state *state = data;
struct spkr_state *state;
struct spkr_state *state;
struct spkr_state;
static void playinit(struct spkr_state *state);
static void playtone(struct spkr_state *state, int pitch, int value, int sustain);
static void playstring(struct spkr_state *state, char *cp, size_t slen);