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-rw-r--r--main.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/main.h b/main.h
index 6ff02cf..f46c7fc 100644
--- a/main.h
+++ b/main.h
@@ -13,6 +13,6 @@
#ifndef MAIN_H
#define MAIN_H
-void usage(const char *name);
+void __attribute__((noreturn)) usage(const char *name);
#endif /* !MAIN_H */