What is the advantage of using a pointer to a structure as a parameter to a function?

[needhlp2]

What is the advantage of using a pointer to a structure as a parameter to a funtion, instead of the structure itself?
-the code is easier to read

-it is more efficient because the structure is not copied

-there is no difference; it is a matter of style

-passing a structure as a parameter is not allowed

[JosAH]

What is the advantage of using a pointer to a structure as a parameter to a funtion, instead of the structure itself?
-the code is easier to read

-it is more efficient because the structure is not copied

-there is no difference; it is a matter of style

-passing a structure as a parameter is not allowed

What programming language are you talking about? C? C++? If so, you'd better
ask that question in the C/C++ forum.

kind regards,

Jos

[bartonc]

Sounds like a homework question to me. If so, please check out our Posting Guidelines. Thanks.

[pbmods]

Changed thread title to better describe the problem.

Moving to the C forum.

[weaknessforcats]

You use a pointer to a structure as a funciton arguiment rather than the structure itself to a) let the called function modify the variable in the calling function, b) avoid making a copy of the struct variable.

Making copies takes time and if the struct is large, it eats memory. Copies also involve considerations of "deep copy" versus "shallow copy".