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-rw-r--r--bin/ed/undo.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/bin/ed/undo.c b/bin/ed/undo.c
index 6a8ca9e..603e39f 100644
--- a/bin/ed/undo.c
+++ b/bin/ed/undo.c
@@ -32,9 +32,9 @@ __FBSDID("$FreeBSD$");
#define USIZE 100 /* undo stack size */
-undo_t *ustack = NULL; /* undo stack */
-long usize = 0; /* stack size variable */
-long u_p = 0; /* undo stack pointer */
+static undo_t *ustack = NULL; /* undo stack */
+static long usize = 0; /* stack size variable */
+static long u_p = 0; /* undo stack pointer */
/* push_undo_stack: return pointer to initialized undo node */
undo_t *
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