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-rw-r--r--unix/input.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/unix/input.h b/unix/input.h
index 7cbee33c5d..a76b87e644 100644
--- a/unix/input.h
+++ b/unix/input.h
@@ -1,3 +1,8 @@
+#ifndef MICROPY_INCLUDED_UNIX_INPUT_H
+#define MICROPY_INCLUDED_UNIX_INPUT_H
+
char *prompt(char *p);
void prompt_read_history(void);
void prompt_write_history(void);
+
+#endif // MICROPY_INCLUDED_UNIX_INPUT_H