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-rw-r--r--demandoc.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/demandoc.c b/demandoc.c
index 37003ca0..1b31d5da 100644
--- a/demandoc.c
+++ b/demandoc.c
@@ -23,6 +23,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <unistd.h>
#include "man.h"
#include "mdoc.h"