Unit 'System' Package
[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] [#rtl]

Addr

Return address of a variable.

Declaration

Source position: system.fpd line 31

function Addr(

  X: TAnytype

):Pointer;

Description

Addr returns a pointer to its argument, which can be any type, or a function or procedure name. The returned pointer isn't typed. The same result can be obtained by the @ operator, which can return a typed pointer (see the programmer's guide).

Errors

None

See also

SizeOf

  

Return size (in bytes) of a variable or type.

Example

Program Example2;

{ Program to demonstrate the Addr function. }

Const Zero : integer = 0;

Var p : pointer;
    i : Integer;

begin
  p:=Addr(p);     { P points to itself }
  p:=Addr(I);     { P points to I }
  p:=Addr(Zero);  { P points to 'Zero' }
end.

Documentation generated on: Oct 02 2024