C Programming Question Consider the following function void

C Programming Question

Consider the following function:

  void translate(int *px, int *py, int dx, int dy) {

      *px = dx + *px;

      *py += dy;

  }

Which of the following statement(s) are correct ?

py is an input parameter

px is an in-out parameter

dx is an input parameter

px is an out parameter

py is an in-out parameter

Solution

Answer:

Below statements are correct.

py is an in-out parameter

px is an in-out parameter

dx is an input parameter

py and px are pointer variables so if we do any changes in them, these changes will reflect on original copy of that variable where it is being called