• State Not Answered
  • Locked Locked
  • Replies 3 replies
  • Subscribers 21 subscribers
  • Views 2699 views
  • Users 0 members are here
2025 survey

We are running a survey to help us improve the experience for all of our members. If you see the survey appear, please take the time to tell us about your experience if you can.

Options
How was your experience today?
This discussion has been locked.
You can no longer post new replies to this discussion. If you have a question you can start a new discussion

how many mem does union cost?

Freddy Zhang

struct structSeperate
{
unsigned char uaHigh;
unsigned char uaLow;
};
union OneIntorTwoBytes
{
unsigned int un;
struct structSeperate ua;
};

void AFunction()
{
OneIntorTwoBytes unionMy;
...
...unionMy...//
...
}

In the above example, Could you please explain how many bytes of free mem will be allocated for AFunction()? How many bytes of free mem will be allocated for the whole module?

0