/*****************************************************************************
*           Change Log
*  Date     | Change
*-----------+-----------------------------------------------------------------
* 31-Jul-86 | [1.405] Created change log
* 31-Jul-86 | [1.405] Made char unsigned
*****************************************************************************/
typedef struct
    {
     coord X;
     coord Y;
     unsigned char id;
     boolean active;
    } sense_switch;

#define NSS 7

boolean test_SS(short d);
void check_switches(coord X,coord Y);
void clear_cdr_eof(void);
void set_cdr_eof(void);
void draw_sense_switches(void);
boolean in_ss(coord X,coord Y,sense_switch * SS);