Someone

               if (strlen(filename)<1)
		{
			int i;
			char *tmp = filein;
			unsigned  char c;
			srandom ((unsigned) time (NULL));
			memset(filein,0,256);
			for(i=0; i<8; i++){
				c = random();
				c = c % 26;
				c+= 'A';
				*tmp++ = c;
			}
		}