-static int snd_opl3_open_seq_oss(snd_seq_oss_arg_t *arg, void *closure);
-static int snd_opl3_close_seq_oss(snd_seq_oss_arg_t *arg);
-static int snd_opl3_ioctl_seq_oss(snd_seq_oss_arg_t *arg, unsigned int cmd, unsigned long ioarg);
-static int snd_opl3_load_patch_seq_oss(snd_seq_oss_arg_t *arg, int format, const char *buf, int offs, int count);
-static int snd_opl3_reset_seq_oss(snd_seq_oss_arg_t *arg);
+static int snd_opl3_open_seq_oss(struct snd_seq_oss_arg *arg, void *closure);
+static int snd_opl3_close_seq_oss(struct snd_seq_oss_arg *arg);
+static int snd_opl3_ioctl_seq_oss(struct snd_seq_oss_arg *arg, unsigned int cmd, unsigned long ioarg);
+static int snd_opl3_load_patch_seq_oss(struct snd_seq_oss_arg *arg, int format, const char __user *buf, int offs, int count);
+static int snd_opl3_reset_seq_oss(struct snd_seq_oss_arg *arg);