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self referential structure

P: 1
struct node
{
int data;
struct node *link;
}

How come it does not throw an error when it encounters struct node *link when the declaration is not yet complete ?

May sound silly... still i wanted to ask.. Some body knows this ???
Jun 12 '07 #1
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weaknessforcats
Expert Mod 5K+
P: 9,197
It's because the compiler has already seen struct node. That's enough information for the compiler to know that such a struct exists. Therefore, it is acceptable to have a pointer to a variable of that type.
Jun 12 '07 #2

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