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Annotation of 42BSD/usr.lib/learn/C/L14.2a, revision 1.1.1.1

1.1       root        1: #print
                      2: Using the "getnum" routine on "getnum.o", write a program
                      3: that reads a list of positive numbers and prints their sum.  Stop reading
                      4: numbers when "getnum" returns a negative or zero value.
                      5: Compile and test your program; then type "ready".
                      6: #once #create Ref
                      7: 5 43 293 400 75 832 903 33
                      8: #once cp %s/getnum.o .
                      9: #user
                     10: a.out <Ref >xxx
                     11: grep 2584 xxx >/dev/null
                     12: #succeed
                     13: /* Read numbers and count */
                     14: main()
                     15: {
                     16:        int s, n;
                     17: 
                     18:        s = 0;
                     19:        while ((n=getnum()) > 0)
                     20:                s += n;
                     21:        printf("Sum is %d\n", s);
                     22: }
                     23: #log
                     24: #next
                     25: 14.2b 5
                     26: 15.1a 10

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