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Annotation of 43BSDTahoe/usr.lib/learn/C/L5.1e, revision 1.1.1.1

1.1       root        1: #print
                      2: Write a program that counts the number of vowels 
                      3: in its input (excluding 'y').  Don't forget to define
                      4: the value of EOF at the beginning of your program.
                      5: #once #create Ref
                      6: This line contains some vowels, including
                      7: the letter 'y'. It also has a capital letter, I think.
                      8: #user
                      9: a.out <Ref >test
                     10: grep 28 test >/dev/null
                     11: #succeed
                     12: Here is one solution.
                     13: 
                     14:  #include <stdio.h>
                     15: 
                     16: main()
                     17: {
                     18:        int nv, c;
                     19: 
                     20:        nv = 0;
                     21:        while ((c = getchar()) != EOF)
                     22:                if (c=='a' || c=='e' || c=='i' || c=='o' || c=='u'
                     23:                 || c=='A' || c=='E' || c=='I' || c=='O' || c=='U')
                     24:                        nv++;
                     25:        printf("%d\n", nv);
                     26: }
                     27: #fail
                     28: Did you remember capital letters?
                     29: #log
                     30: #next
                     31: 5.1f 10

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