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Note

  • This code has been compiled to show the internal calculations of the addresses of array elements like this: 824.
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  Value and type of last evaluated expression: Address of array element: Address of array elementx:  (none)

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Code

 Header...

//
// Error passing an array to a function
//

#define N 4

void printarray (int output[N]);


 int main(){
»  int num[N]={1,2,3,4};

»  printarray(numN);// !!!

»  return 0;
}
 ... 


 void printarray(int output[N]){
»  int i;

»  for (i=0; i<N; ++i) {
»    printf("%d\n", outputi);
  }
}
 ...
Memory

printarray()

132
133
134
135
i = -6748956
152
153
154
155
output = 620

main()

168
169
170
171
172
173
174
175
num[0] = 1
num[1] = 2
176
177
178
179
180
181
182
183
num[2] = 3
num[3] = 4

NB: the actual memory address of each variable is the
address shown plus 4288217720 (0xFF990278).

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Show output (Before looking at the output, work out what you think it put should be and see if you are right.)

Output

-6742794
0
-6742787
-6742766
                                                                                                                                                                                                                                                                       
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