he knew with certainty that it actually was a dennys due not only to the unmistakable shape of the building and distinctive faade but also ( come to think of it ) he had actually been inside this particular dennys after a saturday night drinking bout in the not too distant past and had , in fact , enjoyed a bottomless cup of coffee there ( served by a woman with an uncanny resemblance to the cashier at the bakery ) andhad ( if his memory served him well ) thrown up in the bathroom , the floor of which was covered with tiles in the shapes of little rosettes colored red , no actually , they were maroonhe remembered it exactly .