Programs

#include<stdio.h>

main()
{
 char ch;

 printf("Enter any character: ");
 ch=getchar();

 switch(ch){
  case 'a':
  case 'e':
  case 'i':
  case 'o':
  case 'u':
   printf("%c is vowel.",ch);
   break;
  default:
   printf("%c is constant.",ch);
   break;
 }
 return 0;
}