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[avr-gcc-list] Typdef chick 'n egg situation.. way out ?

From: Vincent Trouilliez
Subject: [avr-gcc-list] Typdef chick 'n egg situation.. way out ?
Date: Wed, 21 Jan 2009 16:46:38 +0100

Hi list,

Problem: I have two typdef's statement, each type contains a pointer to
the other type ! Hmmm....

typedef TMenuItem struct {
        char    text[20];
        TMenu   *ptr;
        void (*fptr)();

typedef TMenu struct {
        uint8_t         nb;
        char            title[20];
        TMenuItem       items[];

I am basically rewriting (following a computer crash..) a program I did
3+ years ago.. all from memory. Back then ISTR some kind soul on here,
sorted me out with something he called "forward declaration"... but I
can't seem to manage to find this particular post in the list archive

I think it was a line just saying "TMenu" will be defined further down,
don't worry Mister GCC and just accept my TMenuItem struct below, you
will find TMenu soon enough. Something to that effect ! ;-)




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