Vowel or Consonant checker

/*
		Humza Khawar
		Vowel or Consonant
*/

#include<stdio.h>

int vowel_checker(char);//checks if alphabet is vowel or consonant

int main() 
{	char a;

	printf("\n Enter Alphabet : ");//input alphabet
	scanf_s(" %c", &a);
	
	if (vowel_checker(a) ==1) //checks the alphabet
	{
		printf(" \n \"%c\" is a vowel. \n",a); //printing result
	}
	else
	{
		printf(" \n \"%c\" is a consonant. \n", a);
	}
	return 0;
}

int vowel_checker(char c)
{
	int result = 0;
	if ((c=='A' || c == 'a' || c == 'E' || c == 'e' || c == 'I' || c == 'i' || c == 'O' || c == 'o' || c == 'U' || c == 'u')) //compares against all vowels
	{
		result=1;
	}
	return result;
}