what will happened if "__x86_64__" is defined?

From: <liugengp_at_mails.gscas.ac.cn>
Date: 2004-03-15 23:00:06
Hello all!
The length of "pointer" and "long" all are 8 bytes
no matter the "__x86_64__" is defined or, so what's the difference if I defined
Thanks for some hints

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Received on Mon Mar 15 07:01:03 2004

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