Check the Funny Memory Values information written by Samuel R. Blackburn and the Memory Management and the Debug Heap in MSDN.
| Value | Description |
|---|---|
| 0xCDCDCDCD | Allocated in heap, but not initialized |
| 0xDDDDDDDD | Released heap memory. |
| 0xFDFDFDFD | "NoMansLand" fences automatically placed at boundary of heap memory. Should never be overwritten. If you do overwrite one, you're probably walking off the end of an array. |
| 0xCCCCCCCC | Allocated on stack, but not initialized. |
