Starter-projects/Code.c at main · pycoder91/Starter-projects · GitHub

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#include <stdio.h>

int main() {

    char c;

    int lowercase_vowel, uppercase_vowel;

    printf("Enter an alphabet: ");

    scanf("%c", &c);

    // evaluates to 1 if variable c is a lowercase vowel

    lowercase_vowel = (c == 'a' || c == 'e' || c == 'i' || c == 'o' || c == 'u');

    // evaluates to 1 if variable c is a uppercase vowel

    uppercase_vowel = (c == 'A' || c == 'E' || c == 'I' || c == 'O' || c == 'U');

    // evaluates to 1 (true) if c is a vowel

    if (lowercase_vowel || uppercase_vowel)

        printf("%c is a vowel.", c);

    else

        printf("%c is a consonant.", c);

    return 0;

}