#define MAXVARS 50

/*
 * struct var -- storage for variable
 *            assignments of the form
 *
 * name = string
 *
 */

extern struct var {
   char *pch_name;
   char *string;
} avr_Vars[ MAXVARS ];

extern int n_Vars;    /* count of defined variables */
extern DefineVar();
extern char *VarLookup();