while(*n != NULL)//enters loop when there is a character
      {
      if(isalpha(*n)) break;//test to make sure character is a letter
      n++;
      }
      *n = toupper(*n);//converts to uppercase
      n++;
 
      while(*n != NULL)//while the character holds something
      {
      *n = tolower(*n);//convert to lowercase
      n++; 
      }
      n++;