Inside Macintosh: Memory /

Chapter 2 - Memory Manager / Memory Manager Reference

Memory Manager Routines / Accessing Heap Zones

GetZone

To find which zone is current, use the GetZone function.

FUNCTION GetZone: THz;

DESCRIPTION

The GetZone function returns a pointer to the current heap zone.

ASSEMBLY-LANGUAGE INFORMATION

The registers on exit for GetZone are

Registers on exit
A0	Pointer to current heap zone
D0	Result code

The global variable TheZone contains a pointer to the current heap zone.

RESULT CODES

noErr

0

No error

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