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Annotation of 43BSDTahoe/usr.lib/learn/C/L5.2b, revision 1.1

1.1     ! root        1: #print
        !             2: (Section 1.5)
        !             3: Write a program which reads a character from its
        !             4: input and tests whether that character is larger than
        !             5: 100 in numeric value.  If so, read two more
        !             6: characters, and print the value of the second of them
        !             7: in octal.  Compile and test your program, then type "ready".
        !             8: #once #create Ref1
        !             9: u V has value 126
        !            10: #once #create Ref2
        !            11: . V should not be processed
        !            12: #user
        !            13: a.out <Ref1 >test1
        !            14: a.out <Ref2 >test2
        !            15: grep 126 test1 >/dev/null || cmp -s test2 /dev/null
        !            16: #succeed
        !            17: One way:
        !            18: 
        !            19: main()
        !            20: {
        !            21:        if (getchar() > 100) {
        !            22:                getchar();
        !            23:                printf("%o\n", getchar());
        !            24:        }
        !            25: }
        !            26: #log
        !            27: #next
        !            28: 5.1c 10

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