You should be aware of special programming considerations in the following sets of header files:
Note: For compatibility with VisualAge C++, the #pragma checkout directives in all header files have been changed to #pragma info. The #pragma checkout directive is no longer supported by VisualAge C++. Because the #pragma info directive provides similar function to #pragma checkout, the header file changes should not affect code that uses the header files. If you use the #pragma checkout directive with VisualAge C++, it generates an "unsupported pragma" error for both C and C++ compilers. Refer to the VisualAge C++ Language Reference for more details.