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Undefining a variable a pointer points to [message #39333]

Fri, 14 May 2004 14:07

Benjamin Hornberger is currently offline

Benjamin Hornberger
Messages: 258
Registered: March 2004

Senior Member

Hi all,

is there a way to undefine the variable a pointer points to? E.g., if I
initialize a pointer by

p = ptr_new(/allocate_heap)

p is a valid pointer, but *p is undefined. If I now do

*p = 10

is there a way to undefine it again afterwards, i.e. get back to the
status right after the call to ptr_new(/allocate_heap)?

Thanks for your help,
Benjamin

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[Message index]

		Undefining a variable a pointer points to By: Benjamin Hornberger on Fri, 14 May 2004 14:07
		Re: undefining a variable By: MarioIncandenza on Wed, 13 September 2006 09:21
		Re: undefining a variable By: cgguido on Tue, 12 September 2006 18:25
		Re: undefining a variable By: David Fanning on Tue, 12 September 2006 08:35
		Re: undefining a variable By: cgguido on Tue, 12 September 2006 08:27
		Re: undefining a variable By: Ingo von Borstel on Tue, 12 September 2006 07:20
		Re: undefining a variable By: David Fanning on Tue, 12 September 2006 07:08

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