What is displayed by this program?
```
#include
void seven(int *xp);
int
main(void)
{
int x, y;
x = 5; y = 6;
seven(&x);
seven(&y);
printf("%4d%4d\n", x, y);
return(0);
}
void
seven(int *xp)
{
int y;
y = *xp + 2;
*xp = y * 3;
}
```
a. 21 24
b. 21 8
c. 5 6
d. 5 8
e. none of the above
a. 21 24
Computer Science & Information Technology
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