Adds memory to the heap.
This function is obsolete. Beginning in Visual Studio 2015, it is not available in the CRT.
int _heapadd( void *memblock, size_t size );
Pointer to the heap memory.
Size of memory to add, in bytes.
_heapadd returns 0; otherwise, the function returns -1 and sets
For more information about this and other return codes, see _doserrno, errno, _sys_errlist, and _sys_nerr.
Beginning with Visual C++ version 4.0, the underlying heap structure was moved to the C run-time libraries to support the new debugging features. As a result,
_heapadd is no longer supported on any platform that is based on the Win32 API.
|Routine||Required header||Optional header|
For more compatibility information, see Compatibility in the Introduction.