/*
*        DataExch.h
*/

#define outputWaitingTime 100
#define inputWaitingTime 100
#define MAXHDRS 32
#define BUFSIZE 31096
#define FSBACKDOOR 0x4800
#define ZONESIZE 0x7C00
#define MSGSIZE 1024

typedef void ActionProc();
/* char *chars; */
/* unsigned len; */
/* unsigned type; */
/* unsigned data1; */
/* unsigned data2; */

typedef unsigned Block;

typedef unsigned Header;

typedef struct {
Block b;
unsigned size;
unsigned type;
unsigned data1;
unsigned data2;
} HeaderRec;

typedef struct {
Header lastWrittenPacket;
Header lastRedPacket;
HeaderRec (headers[MAXHDRS]);
char (buffer[BUFSIZE]);
} IOZoneRec;

typedef IOZoneRec (*IOZone);

struct {
ActionProc *a;
int t;
} registration[32];

#define QUIT 0