-int snd_emu10k1_sample_new(snd_emux_t *private_data, snd_sf_sample_t *sp, snd_util_memhdr_t *hdr, const void __user *_data, long count);
-int snd_emu10k1_sample_free(snd_emux_t *private_data, snd_sf_sample_t *sp, snd_util_memhdr_t *hdr);
-int snd_emu10k1_memhdr_init(snd_emux_t *emu);
+int snd_emu10k1_sample_new(struct snd_emux *private_data,
+ struct snd_sf_sample *sp,
+ struct snd_util_memhdr *hdr,
+ const void __user *_data, long count);
+int snd_emu10k1_sample_free(struct snd_emux *private_data,
+ struct snd_sf_sample *sp,
+ struct snd_util_memhdr *hdr);
+int snd_emu10k1_memhdr_init(struct snd_emux *emu);