diff --git a/metro.c b/metro.c
index 56578b6..74ae63d 100644
--- a/metro.c
+++ b/metro.c
@@ -1,6 +1,6 @@
 /*
     Copyright (C) 2002 Anthony Van Groningen
-    
+
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 2 of the License, or
@@ -60,19 +60,19 @@ usage ()
 }
 
 void
-process_silence (jack_nframes_t nframes) 
+process_silence (jack_nframes_t nframes)
 {
 	sample_t *buffer = (sample_t *) jack_port_get_buffer (output_port, nframes);
 	memset (buffer, 0, sizeof (jack_default_audio_sample_t) * nframes);
 }
 
 void
-process_audio (jack_nframes_t nframes) 
+process_audio (jack_nframes_t nframes)
 {
 
 	sample_t *buffer = (sample_t *) jack_port_get_buffer (output_port, nframes);
 	jack_nframes_t frames_left = nframes;
-		
+
 	while (wave_length - offset < frames_left) {
 		memcpy (buffer + (nframes - frames_left), wave + offset, sizeof (sample_t) * (wave_length - offset));
 		frames_left -= wave_length - offset;
@@ -111,7 +111,7 @@ sample_rate_change () {
 int
 main (int argc, char *argv[])
 {
-	
+
 	sample_t scale;
 	int i, attack_length, decay_length;
 	double *amp;
@@ -122,7 +122,6 @@ main (int argc, char *argv[])
 	int attack_percent = 1, decay_percent = 10, dur_arg = 100;
 	char *client_name = 0;
 	char *bpm_string = "bpm";
-	int verbose = 0;
 	jack_status_t status;
 
 	const char *options = "f:A:D:a:d:b:n:thv";
@@ -140,7 +139,7 @@ main (int argc, char *argv[])
 		{"verbose", 0, 0, 'v'},
 		{0, 0, 0, 0}
 	};
-	
+
 	while ((opt = getopt_long (argc, argv, options, long_options, &option_index)) != EOF) {
 		switch (opt) {
 		case 'f':
@@ -186,13 +185,12 @@ main (int argc, char *argv[])
 			strcpy (client_name, optarg);
 			break;
 		case 'v':
-			verbose = 1;
 			break;
 		case 't':
 			transport_aware = 1;
 			break;
 		default:
-			fprintf (stderr, "unknown option %c\n", opt); 
+			fprintf (stderr, "unknown option %c\n", opt);
 		case 'h':
 			usage ();
 			return -1;
@@ -264,5 +262,5 @@ main (int argc, char *argv[])
 	while (1) {
 		sleep(1);
 	};
-	
+
 }
diff --git a/midiseq.c b/midiseq.c
index 4ebdfda..e1c2c2b 100644
--- a/midiseq.c
+++ b/midiseq.c
@@ -1,6 +1,6 @@
 /*
     Copyright (C) 2004 Ian Esten
-    
+
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 2 of the License, or
@@ -85,7 +85,7 @@ static int process(jack_nframes_t nframes, void *arg)
 int main(int narg, char **args)
 {
 	int i;
-	jack_nframes_t nframes;
+
 	if((narg<6) || ((narg-3)%3 !=0))
 	{
 		usage();
@@ -98,7 +98,7 @@ int main(int narg, char **args)
 	}
 	jack_set_process_callback (client, process, 0);
 	output_port = jack_port_register (client, "out", JACK_DEFAULT_MIDI_TYPE, JackPortIsOutput, 0);
-	nframes = jack_get_buffer_size(client);
+
 	loop_index = 0;
 	num_notes = (narg - 3)/3;
 	note_frqs = malloc(num_notes*sizeof(unsigned char));
diff --git a/simple_client.c b/simple_client.c
index 79ca4fa..e40356a 100644
--- a/simple_client.c
+++ b/simple_client.c
@@ -133,6 +133,7 @@ main (int argc, char *argv[])
 
 	if (jack_connect (client, ports[0], jack_port_name (input_port))) {
 		fprintf (stderr, "cannot connect input ports\n");
+		exit (1);
 	}
 
 	free (ports);
@@ -160,5 +161,5 @@ main (int argc, char *argv[])
 	*/
 
 	jack_client_close (client);
-	exit (0);
+	return 0;
 }