int inhabited; /* if NZ, an index into a name array */
#define UNINHABITED -1
enum {mined=-1, present=0, absent=1} crystals; /* has crystals */
enum {unknown, known, shuttle_down} known;
} planet;
int inhabited; /* if NZ, an index into a name array */
#define UNINHABITED -1
enum {mined=-1, present=0, absent=1} crystals; /* has crystals */
enum {unknown, known, shuttle_down} known;
} planet;