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Hi!   Hi!           Start main()

Try stepping through the code


  Value and type of last evaluated expression: Address of array element: Address of array elementx:  (none)

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Code

 Header...
// Change the value of "val" // (Won't work!)
void badfun(int val){
  ...
» val=100+val;
} int main(){
  ...
» int val=1; » printf("Was: %d\n", val); » badfun(val); » printf("Now: %d\n", val); » return 0;
}

Data

badfun()

val (int)
128
1

main()

val (int)
168
1

Memory

badfun()

128
129
130
131
val = 1

main()

168
169
170
171
val = 1

NB: the actual memory address of each variable is the
address shown plus 4293436000 (0xFFE8A260).

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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

Was: 1
Now: 1
                                                                                                                                                                                                                                                                       

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