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diff --git a/usr.bin/learn/lib/C/L5.1b b/usr.bin/learn/lib/C/L5.1b
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+++ b/usr.bin/learn/lib/C/L5.1b
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+#print
+(Section 1.5)
+Write a program that will read the first character
+from its input and print it out in octal.
+Compile it, test it, and then type ready.
+#once #create Ref
++
+#user
+a.out <Ref >test
+grep 53 test >/dev/null
+#succeed
+A possible solution:
+
+main()
+{
+	printf("%o\n", getchar());
+}
+
+	Remember that you can use a function value almost
+	any place that you could use a variable like x.
+	Thus many times there's no need for extra variables.
+#log
+#next
+5.1c 10
+5.2b 5