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-rw-r--r--userspace/ncrypto_fd.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/userspace/ncrypto_fd.c b/userspace/ncrypto_fd.c
index fe35529..a563694 100644
--- a/userspace/ncrypto_fd.c
+++ b/userspace/ncrypto_fd.c
@@ -2,6 +2,7 @@
#include <sys/types.h>
#include <fcntl.h>
#include <pthread.h>
+#include <unistd.h>
#include "../ncr.h"
#include "ncrypto.h"