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crt_dbg1 Sample: C Run-Time Basic Debugging Features 

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The crt_dbg1 sample illustrates the basic debugging features of the C run-time libraries and the kind of debug output that these features generate.

Security noteSecurity Note

This sample code is provided to illustrate a concept and should not be used in applications or Web sites, as it may not illustrate the safest coding practices. Microsoft assumes no liability for incidental or consequential damages should the sample code be used for purposes other than as intended.

Building and Running the Sample


If you are running Visual C++ Express Edition, you might need to install the Platform SDK before running this sample. For information on how to do this, see How to: Use Visual C++ Express Edition with the Microsoft Platform SDK.

To build and run this sample

  1. Open the solution crt_dbg1.sln.

  2. From the Build menu, click Build.

  3. From the Debug menu, select Start Without Debugging.

  4. To see the output of the program as it progresses, set breakpoints in the code and then view the output in the program's command window. Or, run Debug\crt_dbg1.exe from the command line.


This sample uses the following keywords:

_asserte; _crtcheckmemory; _crtdumpmemoryleaks; _crtmemcheckpoint; _crtmemdifference; _crtmemdumpallobjectssince; _crtmemdumpstatistics; _crtsetdbgflag; _crtsetreportfile; _crtsetreportmode; _malloc_dbg; _rpt1; _rpt2; aboutbox; clear_crt_debug_field; createinstance; displaystring; free; get_size; helpstring; id; iid_is; malloc; module; outputheading; pointer_default; put_size; set_crt_debug_field; strcmp; strcpy; uuid

See Also

Other Resources

General Samples