Write a C Program to find Vowel of given string (If - else)

#include <stdio.h>
#include <conio.h>

void main()
{
      char ch;

      printf("Enter a character\n");
      scanf("%c",&ch);

      if ( ch == 'a' || ch == 'A' || ch == 'e' || ch == 'E' || ch == 'i' || ch == 'I' || ch =='o' || ch=='O' || ch == 'u' || ch == 'U')
     printf("%c is a vowel.\n", ch);
      else
      printf("%c is not a vowel.\n", ch);
      getch();
}