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-rw-r--r--xxx/lib/buffer/ringbuffer.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/xxx/lib/buffer/ringbuffer.h b/xxx/lib/buffer/ringbuffer.h
new file mode 100644
index 0000000..038e33a
--- /dev/null
+++ b/xxx/lib/buffer/ringbuffer.h
@@ -0,0 +1,3 @@
+#include <stdbool.h>
+bool ringbuffer_put(char c);
+bool ringbuffer_get(char *c);