/* THIS PROGRAM IS CONVERT LOWER CASE STRING IN UPPER CASE */

       main()
       {
	   int i=0,a;
	   char str[100],str1[100];
	   clrscr();
	   printf("\n\n\n\n\n\n\n\n                        ");
	   printf(" ENTER A STRING  \n");
	   printf("\n\t\t\t  ");
	   gets(str);
	   while ( str[i]!='\0')
	   i++;
	   for (a=0;a<i;a++)
	   {
	     if (str[a] >= 'a' && str[a] <= 'z')
	     str1[a] = cv(str[a]);
	     else
	     str1[a] = str[a];
	   }
	   str1[a] = '\0';
	   printf("\n\t\t\t  ");
	   puts(str1);
	   getche();
      }
      int cv(int ch)
      {
	int cs ='A',v;
	for (v='a';v<='z';v++)
	{
	 if (v==ch)
	 return(cs);
	 else
	  cs++;
	}
      }