inshop
int inshop(void);
if (inshop())
if (inshop())
(void) inshop();
(void) inshop(); /* probably was a trapdoor */
(void) inshop();
(void) inshop();
boolean billx = inshop() && doinvbill(0);
(void) inshop();
(void) inshop();
if (!inshop() ||
if (!inshop() || (u.ux == ESHK(shopkeeper)->shk.x && u.uy == ESHK(shopkeeper)->shk.y) ||
(void) inshop();