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_heapadd

Adds memory to the heap.

int _heapadd( 
   void *memblock,
   size_t size 
);
memblock

Pointer to the heap memory.

size

Size of memory to add, in bytes.

If successful, _heapadd returns 0; otherwise, the function returns –1 and sets errno to ENOSYS.

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

_heapadd

<malloc.h>

<errno.h>

For more compatibility information, see Compatibility in the Introduction.

Not applicable. To call the standard C function, use PInvoke. For more information, see Platform Invoke Examples.

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