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Navigation: Language Reference > 13 - Built-in Functions > ====== ADDRESS (return memory address) ======

ADDRESS(| variable | )

ADDRESS	Returns memory address of a variable.
variable	The label of a data item or PROCEDURE.

The ADDRESS procedure returns the address of the specified data item or PROCEDURE.

The ADDRESS procedure allows you to pass the address of a variable or procedure to external libraries written in other languages, or to reference assign the address to a reference variable.

Return Data Type:

LONG

Example:

MAP
 ClarionProc                     !A Clarion language procedure
 MODULE('External.Obj')          !An external library
  ExternVarProc(LONG)            !C procedure receiving variable address
  ExternProc(LONG)               !C procedure receiving procedure address
 END
END
Var1 CSTRING(10)                  !Define a null-terminated string
CODE
ExternVarProc(ADDRESS(Var1))     !Pass address of Var1 to external procedure
ExternProc(ADDRESS(ClarionProc)) !Pass address of ClarionProc
ClarionProc PROCEDURE             !A Clarion language procedure
CODE
RETURN

See Also:

PEEK

POKE

Reference Assignment Statements

INSTANCE