--- cci/usr/src/usr.bin/learn/selunit.c	2019/07/28 12:24:19	1.1.1.1
+++ cci/usr/src/usr.bin/learn/selunit.c	2019/07/28 12:26:14	1.1.1.2
@@ -36,6 +36,7 @@ selunit()
 		level = dobuff;
 		if (todo=getlesson())
 			return;
+		rewind(stdin);
 	}
 	alts = 0;
 retry: