Skip to content
EMPS intranet
Back to top
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)

Your browser does not support the canvas element which will make some the features unavailable.

If you are using Internet Explorer within the University of Exeter try going to the Settings menu (probably the gear shape at the top right of this page), selecting "Compatibility View settings", unchecking "Display intranet sites in Compatibility View" and reloading this page.

Code

 Header...

/*
 * Silly example of passing a pointer to a function
 */

void makeit7 (int *p);


 int main(){
   ... 

»  int seven;

»  makeit7(&seven);

»  printf("The value is %d\n", seven);

»  return 0;

}

 void makeit7(int *p){
   ... 

»  *p=7;

}
Memory

makeit7()

128
129
130
131
p = 168

main()

168
169
170
171
seven = 1

NB: the actual memory address of each variable is the
address shown plus 4289634160 (0xFFAE9F70).

Show Advanced options

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

Output

The value is 7
                                                                                                                                                                                                                                                                       
Validate   Link-check © Copyright & disclaimer Share
Back to top