/* addsymtab - Adds an identifier to the Symbol Table   */
void addsymtab(char *);


/* getsymtab - Gets value from Symbol Table for identifier */
double getsymtab(char *);


/* setsymtab - Sets value in Symbol Table for identifier */
void setsymtab(char *, double);


/* printsymtab - Prints all the values in the Symbol Table */
void printsymtab(void);