inshop
if(inshop())
if(inshop())
(void) inshop();
(void) inshop(); /* probably was a trapdoor */
(void) inshop();
(void) inshop();
int inshop(void);
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();