don't redefine NULL

[unix-history] / usr / src / games / hack / def.edog.h

/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
/* def.edog.h - version 1.0.2 */

struct edog {
       long hungrytime;        /* at this time dog gets hungry */
       long eattime;           /* dog is eating */
       long droptime;          /* moment dog dropped object */
       unsigned dropdist;              /* dist of drpped obj from @ */
       unsigned apport;                /* amount of training */
       long whistletime;               /* last time he whistled */
};
#define EDOG(mp)        ((struct edog *)(&(mp->mextra[0])))