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Annotation of 42BSD/usr.lib/learn/C/L5.1b, revision 1.1.1.1

1.1       root        1: #print
                      2: (Section 1.5)
                      3: Write a program that will read the first character
                      4: from its input and print it out in octal.
                      5: Compile it, test it, and then type ready.
                      6: #once #create Ref
                      7: +
                      8: #user
                      9: a.out <Ref >test
                     10: grep 53 test >/dev/null
                     11: #succeed
                     12: A possible solution:
                     13: 
                     14: main()
                     15: {
                     16:        printf("%o\n", getchar());
                     17: }
                     18: 
                     19:        Remember that you can use a function value almost
                     20:        any place that you could use a variable like x.
                     21:        Thus many times there's no need for extra variables.
                     22: #log
                     23: #next
                     24: 5.1c 10
                     25: 5.2b 5

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