V7/usr/src/games/chess/old.h
#define uleft 04040
#define uright 04004
#define dleft 00440
#define dright 00404
#define left 00040
#define right 00004
#define up 04000
#define down 00400
#define u2r1 06004
#define u1r2 04006
#define d1r2 00406
#define d2r1 00604
#define d2l1 00640
#define d1l2 00460
#define u1l2 04060
#define u2l1 06040
#define rank2 00200
#define rank7 02000
int attacv[64];
int center[64];
int wheur[];
int bheur[];
int control[64];
int clktim[2];
int testf;
int qdepth;
int mdepth;
int bookf;
int bookp;
int manflg;
int matflg;
int intrp;
int moveno;
int gval;
int game;
int abmove;
int *lmp;
int *amp;
char *sbufp;
int lastmov;
int mantom;
int ply;
int value;
int ivalue;
int mfmt;
int depth;
int flag;
int eppos;
int bkpos;
int wkpos;
int column;
int edge[8];
int pval[13];
int ipval[13];
int dir[64];
int board[64];
int lmbuf[1000];
int ambuf[1200];
char sbuf[100];