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-rw-r--r--modules/dtmfio/dtmfio.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/modules/dtmfio/dtmfio.c b/modules/dtmfio/dtmfio.c
index 5d9534c..a364c80 100644
--- a/modules/dtmfio/dtmfio.c
+++ b/modules/dtmfio/dtmfio.c
@@ -52,6 +52,7 @@
* + Clean up build output so there aren't errors regarding unused vars
*/
+#include <unistd.h>
#include <stdio.h>
#include <re.h>
#include <baresip.h>