Store Vowels from one File to another

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 //PROGRAM TO STORE VOWELS OF FILE STRING TO ANOTHER FILE VOWELS  
 //Downloaded from www.c4cprog.co.nr  
 #include<stdio.h>  
 void main()  
 {  
 char c;  
 FILE *f,*f1;  
 f=fopen("STRING","w");  
 clrscr();  
 printf("Enter String :\n ");  
 while(scanf("%c",&c)!=EOF)  
 putw(c,f);  
 fclose(f);  
 f=fopen("STRING","r");  
 f1=fopen("VOWELS","w");  
 while((c=getw(f))!=EOF)  
 if((c=='a')||(c=='e')||(c=='i')||(c=='o')||(c=='u')||(c=='A')||(c=='E')||(c=='I')||(c=='O')||(c=='U'))  
 putw(c,f1);  
 fclose(f);  
 fclose(f1);  
 f1=fopen("VOWELS","r");  
 printf("\nVOWELS : \n");  
 while((c=getw(f1))!=EOF)  
 printf(" %c",c);  
 getch();  
 }  
 /*  
 OUTPUT  
 Enter String :  
  Program To Store The Vowels In A Paragraph To A File, Is Successfully Executed  
 ^Z  
 VOWELS :  
  o a o o e e o e I A a a a o A i e I u e u E e u e  
 */