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-rw-r--r--bin/rcp/extern.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/bin/rcp/extern.h b/bin/rcp/extern.h
index 5081c9d..06e639b 100644
--- a/bin/rcp/extern.h
+++ b/bin/rcp/extern.h
@@ -46,6 +46,6 @@ char *colon __P((char *));
void lostconn __P((int));
void nospace __P((void));
int okname __P((char *));
-void run_err __P((const char *, ...));
+void run_err __P((const char *, ...)) __printflike(1, 2);
int susystem __P((char *, int));
void verifydir __P((char *));
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