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-rw-r--r--libbb/vdprintf.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libbb/vdprintf.c b/libbb/vdprintf.c
index a18291b3b..8c3e32a7a 100644
--- a/libbb/vdprintf.c
+++ b/libbb/vdprintf.c
@@ -26,6 +26,7 @@
*/
#include <stdio.h>
+#include <unistd.h>
#include "libbb.h"