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-rw-r--r--netfilter/nl.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/netfilter/nl.c b/netfilter/nl.c
index 68c8b7c..f030d4b 100644
--- a/netfilter/nl.c
+++ b/netfilter/nl.c
@@ -21,6 +21,7 @@
#include <sys/select.h>
#include <sys/time.h>
#include <linux/netlink.h>
+#include <unistd.h>
enum type_t {
TYPE_SYSFS,