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-rw-r--r--src/volume.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/volume.h b/src/volume.h
index 435e32711..99d31da4e 100644
--- a/src/volume.h
+++ b/src/volume.h
@@ -20,6 +20,7 @@
#ifndef MPD_VOLUME_H
#define MPD_VOLUME_H
+#include <stdbool.h>
#include <stdio.h>
#define VOLUME_MIXER_OSS "oss"
@@ -34,7 +35,7 @@ void volume_finish(void);
int volume_level_get(void);
-int volume_level_change(int change, int rel);
+bool volume_level_change(int change, bool rel);
void read_sw_volume_state(FILE *fp);