At 08:41 PM 6/29/2009, Robert Huff wrote:
Let us suppose I have a structure:
struct CONTINENT {
...
}
I use this to create an array of pointers to said struct:
struct CONTINENT *Asia[10][10];
Now I pass this array to a function:
plate_shift(Asia, (int) foo, (float) bar);
In the definition of the function, I say:
int plate_shift(Cont,f,b)
struct CONTINENT *Cont[10][10];
int f;
float b;
{
...
}
and the compiler does not complain. If, however, I try to
prototype the function as:
extern int plate_shift(struct CONTINENT *[][],int,float);
with:
CFLAGS = -Wall -std=c99
I get:
error: array type has incomplete element type
Changing to:
extern int plate_shift(struct CONTINENT *foo[][],int,float);
returns the same error.
K&R 2ed is not helpful, nor is a quick poke around the web.
What am I forgetting?
Respectfully,
Robert Huff
I believe since you are declaring the array as having a fixed number of
elements, you must declare the function to take it the same way, like this:
extern int plate_shift(struct CONTINENT *[10][10],int,float);
Without the 10,10 size definition, the plate_shift function would have no
idea how big the array of pointers actually is.
Brad Mettee
PC HotShots, Inc.
Baltimore, MD
(410) 426-7617
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