ascii

This is a discussion on ascii within the C Programming forums, part of the General Programming Boards category; I need to identify how many vowels i have in a sentence, how many consonants, and how many other signs ...

  1. #1
    Sometimes so stupid... shardin's Avatar
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    ascii

    I need to identify how many vowels i have in a sentence, how many consonants, and how many other signs like ?,;,%...
    I have a field for vowels like this
    Code:
    char samoglasnik_p[]={'a','A','e','E','i','I','O','o','U','u'};
    , so i compare them and that works but the rest is fu****. I don't know how to tell to program how to recognize consonants and other signs. Is there any way to do this? I tried to do something like this but...
    Code:
    if((buffer[i]>='a' && buffer[i]<='z' != samoglasnik_p[i])==k)
    help

  2. #2
    Deathray Engineer MacGyver's Avatar
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    Same way you did the vowels can be used to do the other types. Have an array for the other chars and go from there.

  3. #3
    Technical Lead QuantumPete's Avatar
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    Code:
    if((buffer[i]>='a' && buffer[i]<='z' != samoglasnik_p[i])==k)
    That doesn't seem right. What that is saying is "if buffer[i] is greater than 'a' (correct) AND
    buffer[i] is less/equal to 'z' also not equal to samoglasnik_p[i] and also equal to k"
    you're basically comparing the variable k to samoglasnig_p[i], 'z' and buffer[i]. I doubt that would ever give you a correct value ;-)

    QuantumPete
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  4. #4
    Sometimes so stupid... shardin's Avatar
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    i did it now, it is working, i used this
    Code:
    char samoglasnik_p[]={'a','A','e','E','i','I','O','o','U','u'};
    char as[10]={'!','"','.','?','+',';','-',':',' ','*'};
    and i compare them, its working. But is there a way to tell to program which sign is number, letter or other signs, without the need to put them into fields.

    for exp. by putting
    Code:
    buffer[i]>='a' && buffer[i]<='z'
    i included all letters from a to z, only lower case but... do you get my point?

  5. #5
    Technical Lead QuantumPete's Avatar
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    Why don't you use isalpha() to check whether it is a letter, isdigit() to check whether it is a number and everything else is something else.
    tolower() will take the pain of comparing upper and lowercase letters ;-)

    QuantumPete
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  6. #6
    and the hat of sweating
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    isdigit()
    isalpha()
    ispunct()
    isspace()...

  7. #7
    Frequently Quite Prolix dwks's Avatar
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    All of which are located in <ctype.h>.

    I've also seen strchr() (in <string.h>) used for this purpose.
    Code:
    char c = 'I';
    if(strchr("aeiou", tolower(c))) {
        printf("'&#37;c' is a vowel.\n", c);
    }
    dwk

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