1 files changed, 7 insertions, 0 deletions
diff --git a/tests/preprocessor/include/pragma-once-c.h b/tests/preprocessor/include/pragma-once-c.h
new file mode 100644
index 000000000..c44e2e46c
--- /dev/null
+++ b/tests/preprocessor/include/pragma-once-c.h
@@ -0,0 +1,7 @@
+// pragma-once-c.h
+
+// Used by the `pragma-once.slang` test
+
+#pragma once
+
+#define ONLY_DEFINED_ONCE_C
+\ No newline at end of file