mkobj_at
(void) mkobj_at(pd->mlet,mdef->mx,mdef->my);
struct obj * mkobj_at(int, int, int);
(void) mkobj_at(0, mtmp->mx, mtmp->my);
(void) mkobj_at(0, somex(), somey());
(void) mkobj_at(0, somex(), somey());
(void) mkobj_at(ROCK_SYM, xx, yy);
if(!rn2(3)) (void) mkobj_at(0, xx, yy+dy);
(void) mkobj_at(ROCK_SYM, zx, zy); /* put a rock on top of it */
(void) mkobj_at(rn2(2) ? GEM_SYM : 0, mm.x, mm.y);
(void) mkobj_at(ROCK_SYM, mm.x, mm.y);
(void) mkobj_at(AMULET_SYM, zx, zy);
(void) mkobj_at(let, sx, sy);
extern struct obj *mkobj_at(int, int, int);
struct obj *obj2 = mkobj_at(tmp,x,y);
setworn(mkobj_at(CHAIN_SYM, u.ux, u.uy), W_CHAIN);
setworn(mkobj_at(BALL_SYM, u.ux, u.uy), W_BALL);
mkobj_at((obj->otyp == ROCK || obj->otyp == ENORMOUS_ROCK)