Laparoscopic surgery for the gallbladder and the bile duct. Laparoscopic gallbladder removal has been performed in thousands of patients throughout the world and is a very safe procedure. Gallbladder removal should be performed by laparoscopic surgery when possible. In contrast to laparoscopic gallbladder surgery, laparoscopic procedures on the bile duct are rarely performed by biliary surgeons since they are technically very difficult.
Now that you've learned how to use the macro designer, it's time to learn about some of the new features of macros. Probably the most exciting feature is the ability to add data macros to your tables. A data macro is a macro that executes in response to data changing within a table.
It is a macro definition of type int that expands into a negative integral constant expression (generally, -1). It is used as the value returned by several functions in header <cstdio> to indicate that the End-of-File has been reached or to signal some other failure conditions. It is also used as the value to represent an invalid character. In C++, this macro corresponds to the value of char_traits<char>::eof().