diff --git a/src/audio.c b/src/audio.c
index 70f8f88d..1c9af89d 100644
--- a/src/audio.c
+++ b/src/audio.c
@@ -117,11 +117,9 @@ long brate(struct ratepair *table, long arate, int count, int *last)
 void audio_capabilities(out123_handle *ao, mpg123_handle *mh)
 {
 	int force_fmt = 0;
-	int fmts;
 	size_t ri;
 	/* Pitching introduces a difference between decoder rate and playback rate. */
-	long rate, decode_rate;
-	int channels;
+	long decode_rate;
 	const long *rates;
 	long *outrates;
 	struct ratepair *unpitch;
diff --git a/src/control_generic.c b/src/control_generic.c
index c60575ae..bd6740b0 100644
--- a/src/control_generic.c
+++ b/src/control_generic.c
@@ -7,6 +7,14 @@
 	reworked by Thomas Orgis - it was the entry point for eventually becoming maintainer...
 */
 
+#include "config.h"
+/* _BSD_SOURCE needed for setlinebuf, erm, but that's deprecated
+   so trying _DEFAULT_SOURCE */
+#ifndef _DEFAULT_SOURCE
+#define _DEFAULT_SOURCE
+#endif
+#include "compat.h"
+
 #include "mpg123app.h"
 #include "out123.h"
 #include <stdarg.h>
diff --git a/src/getlopt.c b/src/getlopt.c
index 8ff12264..6372381a 100644
--- a/src/getlopt.c
+++ b/src/getlopt.c
@@ -97,7 +97,7 @@ static int performoption (int argc, char *argv[], topt *opt)
 	}
 	if (opt->func)
 		opt->func(loptarg);
-	debug4("result: %i (%p, %i, %i)", result, opt->var, opt->value, opt->sname);
+	debug4("result: %i (%p, %li, %i)", result, opt->var, opt->value, opt->sname);
 	return (result);
 }
 
diff --git a/src/libout123/buffer.c b/src/libout123/buffer.c
index 4a7ff9a0..71d66e27 100644
--- a/src/libout123/buffer.c
+++ b/src/libout123/buffer.c
@@ -274,6 +274,7 @@ int buffer_formats( out123_handle *ao, const long *rates, int ratecount
                   , struct mpg123_fmt **fmtlist )
 {
 	int writerfd = ao->buffermem->fd[XF_WRITER];
+	size_t ratesize;
 
 	if(xfermem_putcmd(writerfd, BUF_CMD_AUDIOFMT) != 1)
 	{
@@ -281,7 +282,7 @@ int buffer_formats( out123_handle *ao, const long *rates, int ratecount
 		return -1;
 	}
 
-	size_t ratesize = ratecount*sizeof(rates);
+	ratesize = ratecount*sizeof(rates);
 
 	if(
 		!GOOD_WRITEVAL(writerfd, maxchannels)
@@ -753,9 +754,7 @@ int buffer_loop(out123_handle *ao)
 					int minchannels;
 					int maxchannels;
 					struct mpg123_fmt *fmtlist;
-					int success;
 					int fmtcount = -1;
-					int recread = 0;
 
 					if(
 						!GOOD_READVAL_BUF(my_fd, maxchannels)
diff --git a/src/libout123/buffer.h b/src/libout123/buffer.h
index 01082dfa..e4192a5b 100644
--- a/src/libout123/buffer.h
+++ b/src/libout123/buffer.h
@@ -27,6 +27,9 @@ void buffer_exit(out123_handle *ao);
 int buffer_sync_param(out123_handle *ao);
 int buffer_open(out123_handle *ao, const char* driver, const char* device);
 int buffer_encodings(out123_handle *ao);
+int buffer_formats( out123_handle *ao, const long *rates, int ratecount
+                  , int minchannels, int maxchannels
+                  , struct mpg123_fmt **fmtlist );
 int buffer_start(out123_handle *ao);
 void buffer_ndrain(out123_handle *ao, size_t bytes);
 
diff --git a/src/libout123/libout123.c b/src/libout123/libout123.c
index 3c2539dc..0a039e0c 100644
--- a/src/libout123/libout123.c
+++ b/src/libout123/libout123.c
@@ -430,7 +430,7 @@ void attribute_align_arg out123_close(out123_handle *ao)
 int attribute_align_arg 
 out123_start(out123_handle *ao, long rate, int channels, int encoding)
 {
-	debug4( "out123_start(%p, %li, %i, %li)"
+	debug4( "out123_start(%p, %li, %i, %i)"
 	,	(void*)ao, rate, channels, encoding );
 	if(!ao)
 		return OUT123_ERR;
@@ -890,7 +890,7 @@ int out123_formats( out123_handle *ao, const long *rates, int ratecount
 {
 	debug6( "out123_formats(%p, %p, %i, %i, %i, %p)"
 	,	(void*)ao, (void*)rates, ratecount, minchannels, maxchannels
-	,	(void)fmtlist );
+	,	(void*)fmtlist );
 	if(!ao)
 		return OUT123_ERR;
 	ao->errcode = OUT123_OK;
diff --git a/src/libout123/wav.c b/src/libout123/wav.c
index 277ffc2c..6908c002 100644
--- a/src/libout123/wav.c
+++ b/src/libout123/wav.c
@@ -165,7 +165,7 @@ static int testEndian(void)
 /* return: 0 is good, -1 is bad */
 static int open_file(struct wavdata *wdat, char *filename)
 {
-	debug2("open_file(%p, %s)", wdat, filename ? filename : "<nil>");
+	debug2("open_file(%p, %s)", (void*)wdat, filename ? filename : "<nil>");
 	if(!wdat)
 		return -1;
 #if defined(HAVE_SETUID) && defined(HAVE_GETUID)
diff --git a/src/out123.c b/src/out123.c
index d0148af3..2012106a 100644
--- a/src/out123.c
+++ b/src/out123.c
@@ -146,11 +146,6 @@ static void safe_exit(int code)
 	exit(code);
 }
 
-static void check_fatal(int code)
-{
-	if(code) safe_exit(code);
-}
-
 static void check_fatal_output(int code)
 {
 	if(code)
@@ -636,7 +631,7 @@ static char* output_enclist(void)
 	int i;
 	char *list = NULL;
 	char *pos;
-	size_t len;
+	size_t len = 0;
 	int enc_count = 0;
 	int *enc_codes = NULL;
 
diff --git a/src/term.c b/src/term.c
index 982738d8..bf3ed12e 100644
--- a/src/term.c
+++ b/src/term.c
@@ -211,11 +211,11 @@ static void seekmode(mpg123_handle *mh, out123_handle *ao)
 {
 	if(param.usebuffer && !stopped)
 	{
-		stopped = TRUE;
 		int channels;
 		int encoding;
 		off_t back_samples;
 
+		stopped = TRUE;
 		out123_pause(ao);
 		mpg123_getformat(mh, NULL, &channels, &encoding);
 		back_samples = out123_buffered(ao)/(mpg123_samplesize(encoding)*channels);