int sndout_oss_init(void);
-int sndout_oss_start(int rate, int bits, int stereo);
+int sndout_oss_start(int rate, int frame_samples, int stereo);
int sndout_oss_write(const void *buff, int len);
+int sndout_oss_can_write(int bytes);
void sndout_oss_sync(void);
void sndout_oss_setvol(int l, int r);
void sndout_oss_exit(void);