Control API encapsulation. Better names for kernel API. Simpler PCM hw_params API. Added missing const.

src/seq/seq.c

@@ -27,11 +27,11 @@
 int snd_seq_open(snd_seq_t **seqp, char *name, 
 		 int streams, int mode)
 {
-	char *str;
+	const char *str;
 	int err;
 	snd_config_t *seq_conf, *conf, *type_conf;
 	snd_config_iterator_t i;
-	char *lib = NULL, *open = NULL;
+	const char *lib = NULL, *open = NULL;
 	int (*open_func)(snd_seq_t **seqp, char *name, snd_config_t *conf, 
 			 int streams, int mode);
 	void *h;

src/seq/seq_local.h

@@ -23,11 +23,9 @@
 #ifndef __SEQ_LOCAL_H
 #define __SEQ_LOCAL_H
 
-#include <assert.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <limits.h>
-#include <errno.h>
 #include "local.h"
 
 #define SND_SEQ_OBUF_SIZE	(16*1024)	/* default size */

src/seq/seq_midi_event.c

@@ -20,7 +20,6 @@
  */
 
 #include <malloc.h>
-#include <errno.h>
 #include "local.h"
 
 

src/seq/seqmid.c

@@ -24,7 +24,6 @@
 #include <stdlib.h>
 #include <unistd.h>
 #include <string.h>
-#include <errno.h>
 #include <fcntl.h>
 #include <sys/ioctl.h>
 #include "seq_local.h"