pointer behaviors in c++

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This dereferences an uninitialized pointer, resulting in UB:

*p = i;

You probably want this instead:

p = &i;

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  2. What is array to pointer decay?
  3. Pointer to class data member “::*”
  4. What is a dangling pointer?
  5. Placement of the asterisk in pointer declarations
  6. Differences between unique_ptr and shared_ptr [duplicate]
  7. How do you pass a member function pointer?
  8. Is passing pointer argument, pass by value in C++?
  9. How to compare pointers?
  10. How are references implemented internally?
  11. conversion of 2D array to pointer-to-pointer
  12. C/C++ int[] vs int* (pointers vs. array notation). What is the difference?
  13. Why are NULL pointers defined differently in C and C++?
  14. Function pointer vs Function reference
  15. What happens to the pointer itself after delete? [duplicate]
  16. Is it legal to compare dangling pointers?
  17. Why not use pointers for everything in C++?
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  19. Difference between const. pointer and reference?
  20. Is it legal/well-defined C++ to call a non-static method that doesn’t access members through a null pointer?
  21. In C/C++, is char* arrayName[][] a pointer to a pointer to a pointer OR a pointer to a pointer?
  22. Why do linked lists use pointers instead of storing nodes inside of nodes
  23. how do arrays work internally in c/c++
  24. Understanding -Weffc++
  25. Why is a c++ reference considered safer than a pointer?
  26. Safety of casting between pointers of two identical classes?
  27. How can a char pointer be initialized with a string (Array of characters) but an int pointer not with an array of integer? [duplicate]
  28. Does ‘auto’ type assignments of a pointer in c++11 require ‘*’?
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  30. Pass by pointer & Pass by reference [duplicate]

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