Control Flags


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The debug version of the Microsoft C run-time library uses the following flags to control the heap allocation and reporting process. For more information, see CRT Debugging Techniques.

_CRTDBG_MAP_ALLOCMaps the base heap functions to their debug version counterparts
_DEBUGEnables the use of the debugging versions of the run-time functions
_crtDbgFlagControls how the debug heap manager tracks allocations

These flags can be defined with a /D command-line option or with a #define directive. When the flag is defined with #define, the directive must appear before the header file include statement for the routine declarations.

Global Variables and Standard Types