4.3BSD-UWisc/lib/learn/C/L1.1f

#print
(Section 1.2)
Write a program to print
the value of the character 'X' in
octal.  Compile it and run it.
Then type ready.
#user
a.out >test
grep 130 test >/dev/null
#succeed
A possible solution:

main()
{
	printf("%o\n", 'X');
}
#log
#next
2.1a 10