#include <nitro/os.h>void OS_ReferentSize( OSArenaId id, void* ptr );| id | ID of the arena associated with the memory block |
| ptr | Pointer to the memory block. |
Returns the size of the specified main block in memory, excluding the header region for managing the memory block.
Acquires the size that the specified main block occupies in memory, excluding the header region for managing the memory block.
id specifies the arena ID that contains the memory block. To read more about this value, see OS_InitArena.
ptr is the address to the memory block that is previously acquired with OS_AllocFixed(), OS_AllocFromHeap(), etc.
OS_InitArena, OS_InitAlloc, OS_AllocFromHeap, OS_AllocFixed
2004/01/07 Initial version.
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