main()
{
long int value;
top=-1;
printf("Enter infix : ");
gets(infix);
infix_to_postfix();
printf("Postfix : %s\n",postfix);
value=eval_post();
printf("Value of expression : %ld\n",value);
}/*End of main()*/
int main()
{
long int value;
top=-1;
clrscr();
printf("Enter the postfix expression\n");
gets(infix);
infix_to_postfix();
printf("Postfix =%s\n",postfix);
value=eval_post();
printf("Value of expression:%ld\n",value);
return 0;
}
int post_eval(const char * expr)
{
std::vector<token> tokens;
parse(expr, tokens);
return eval_post(tokens);
}
