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Maxavail

Declaration:
Function Maxavail : Longint;
Description:
Maxavail returns the size, in bytes, of the biggest free memory block in the heap.

Remark: The heap grows dynamically if more memory is needed than is available.

Errors:
None.
See also:
Release (556), Memavail (535),Freemem (504), Getmem (506)

Listing: refex/ex40.pp

Program Example40;

{ Program to demonstrate the MaxAvail function. }

Var
  P : Pointer;
  I : longint;

begin
  { This will allocate memory until there is no more memory}
  I:=0;
  While MaxAvail>=1000 do
    begin
    Inc (I);
    GetMem (P,1000);
    end;
  { Default 4MB heap is allocated, so 4000 blocks
    should be allocated.
    When compiled with the -Ch10000 switch, the program
    will be able to allocate 10 block }
  Writeln ('Allocated ',i,' blocks of 1000 bytes');
end.

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