ACM 492 -- Pig-Latin

#include <stdio.h>
#include <ctype.h>
int test(char ch);

int main()
{
    int i;
    char ch;
    char root;
    int s;

    while(1){
        i = 0;
        while(1){
            ch = getchar();
            if(ch == EOF)
                return 0;
            if(isalpha(ch)){
                if(!i){
                    s = test(ch);

                    if(s)
                        printf("%c", ch);
                    else
                        root = ch;
                    i++;
    }else{
                    printf("%c", ch);
                }
            }else{
                if(!i){
                    printf("%c", ch);
                    break;
                }
                if(s){
                    printf("ay%c", ch);
                }else{
                    printf("%cay%c", root, ch);
                }
                break;
            }
        }
    }
    return 0;
}

int test(char ch){
 if(ch == 'A' || ch == 'a')
  return 1;
 if(ch == 'E' || ch == 'e')
  return 1;
 if(ch == 'I' || ch == 'i')
  return 1;
 if(ch == 'O' || ch == 'o')
  return 1;
 if(ch == 'U' || ch == 'u')
  return 1;

 return 0;
}