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From: | Pedro Graca <hexkid AT hotpop DOT com> |
Newsgroups: | comp.os.msdos.djgpp |
Subject: | Re: pointers to structs |
Date: | 14 Jul 2004 22:17:53 GMT |
Organization: | home use |
Lines: | 26 |
Message-ID: | <slrncfbc8h.30m.hexkid@ID-203069.user.uni-berlin.de> |
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X-Location: | Third rock from the Sun, Europe, Portugal, Coimbra |
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To: | djgpp AT delorie DOT com |
DJ-Gateway: | from newsgroup comp.os.msdos.djgpp |
Reply-To: | djgpp AT delorie DOT com |
[newbie answer, so it will be short] John Hanley wrote: (snip) > int main() > { > struct data_list * list; list is not initialized! > list->head = NULL; > list->tail = NULL; > } > > When I compile then run this, I get: "Exiting due to Signal SIGSEGV. Page > Fault at ..." > > Can I not assign NULL to these pointers? If I take the 2 assignments out, > it runs ok. You have no idea where you're putting those NULLs to. -- USENET would be a better place if everybody read: | to email me: use | http://www.catb.org/~esr/faqs/smart-questions.html | my name in "To:" | http://www.netmeister.org/news/learn2quote2.html | header, textonly | http://www.expita.com/nomime.html | no attachments. |
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