1 files changed, 1 insertions, 0 deletions

diff --git a/bftw.c b/bftw.c
index 5630109..5e22ddc 100644
--- a/bftw.c
+++ b/bftw.c
@@ -32,6 +32,7 @@
 #include <string.h>
 #include <sys/stat.h>
 #include <sys/types.h>
+#include <unistd.h>
 
 /**
  * Simple dynamically-sized string type.