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From: Brian Inglis <Brian DOT Inglis AT SystematicSw DOT ab DOT ca>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Linked Lists Help!
Date: Mon, 04 Feb 2002 09:07:25 -0700
Organization: Systematic Software
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To: djgpp AT delorie DOT com
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On Thu, 31 Jan 2002 11:06:03 +0200 (IST), Eli Zaretskii
<eliz AT is DOT elta DOT co DOT il> wrote:

>
>On 31 Jan 2002, King Chung Huang wrote:
>
>> typedef struct {
>>    // metadata
>>     char name[256];         // window title name
>>     unsigned short x;       // x co-ordinate position of the window
>>     unsigned short y;       // y co-ordinate position of the window
>>     unsigned short width;   // width of the content region (local)
>>     unsigned short height;  // height of the content region (local)
>>     short isDirty;          // does the window need updating?
>>     
>>    // content data
>>    struct qdPort *qdRef;   // the qdPort
>>    
>>    // links
>>    struct qdWindow *above; // next window above
>>    struct qdWindow *below; // next window below
>> } qdWindow;
>> [...]
>> The problem i'm having is that when i go to compile, every line that has 
>> "newWindow -> (some field) = (something)" generates the error 
>> "dereferencing pointer to incomplete type".
>
>That's because your `typedef' declaration doesn't name the struct, only 
>the typedef.  The struct is anonymous.  Change this line:
>
>   typedef struct {
>
>into this:
>
>   typedef struct qdwindow {

    typedef struct qdWindow {

to match the references within the struct, or remove struct from
before qdWindow elsewhere in your program -- you may also want to
check the definition of qdPort in case it needs a similar change

>and the problem should go away.


-- 

Thanks. Take care, Brian Inglis 	Calgary, Alberta, Canada

Brian DOT Inglis AT CSi DOT com 	(Brian dot Inglis at SystematicSw dot ab dot ca)
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