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When should we use pointers in a C program?

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When should we use pointers in a C program?

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  • To pass a large structure liked server request or response packet.
  • To implement the linked list and binary trees.
  • To play with GPIO or hardware register.
  • To get the address or update value from the function (call by reference)
  • To create a dynamic array.
  • To create a call back function using the function pointer.

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