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-rw-r--r--usr.bin/tty/tty.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/usr.bin/tty/tty.c b/usr.bin/tty/tty.c
index 4d02fa9..5753e34 100644
--- a/usr.bin/tty/tty.c
+++ b/usr.bin/tty/tty.c
@@ -46,6 +46,7 @@ static const char rcsid[] =
#endif /* not lint */
#include <stdio.h>
+#include <stdlib.h>
#include <unistd.h>
static void usage __P((void));
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