Answer :

#include<stdio.h>

int main ()

{

char al;

printf("Enter any alphabet  ");

scanf("%c",&al);

if (al=='a'||al=='A'||al=='e'||al=='E'||al=='i'||al=='I'||al=='o'||al=='O'||al=='u'||al=='U')

{

printf("%c is a vowel\n",al);

    }

else

{

printf("%c is a consonant\n ",al);

}

}

Output :