Hello everybody, I have a problem with a C program I have written for convertinginfix to prefix. The main function is as follows: char str[30],opstr[30]; clrscr(); printf("Enter the infix expression\n"); scanf("%s",str); convert(str,opstr); ***printf("\n\nThe prefix notation of the expression is ...\n"); printf("%s",opstr); getch(); My problem is that the printf statement marked *** is not displayed at all. If I step through the ...