Dereference void pointer

by

It doesn’t make sense to dereference a void pointer. How will the compiler interpret the memory that the pointer is pointing to? You need to cast the pointer to a proper type first:

int x = *(int*)lVptr;

More Related Contents:

  1. C pointer to array/array of pointers disambiguation
  2. How do pointer-to-pointers work in C? (and when might you use them?)
  3. Create a pointer to two-dimensional array
  4. Pointers in C: when to use the ampersand and the asterisk?
  5. Is NULL always zero in C?
  6. What does the ‘array name’ mean in case of array of char pointers?
  7. What is an opaque pointer in C?
  8. Post-increment on a dereferenced pointer?
  9. constant pointer vs pointer on a constant value [duplicate]
  10. What exactly is a C pointer if not a memory address?
  11. What exactly is meant by “de-referencing a NULL pointer”?
  12. Reversing a string in C
  13. Why do I need to use type** to point to type*?
  14. Meaning of “referencing” and “dereferencing” in C
  15. Parameter Passing in C – Pointers, Addresses, Aliases
  16. Using intptr_t instead of void*?
  17. Order of operations for dereference and bracket-ref in C
  18. How is the result struct of localtime allocated in C?
  19. What does getting the address of an array variable mean?
  20. Is typedef’ing a pointer type considered bad practice? [duplicate]
  21. Why can´t we assign a new string to an char array, but to a pointer?
  22. C pointers and arrays/ ‘sizeof’ operator [duplicate]
  23. Dereferencing this pointer gives me -46, but I am not sure why
  24. Can an equality comparison of unrelated pointers evaluate to true?
  25. “int *nums = {5, 2, 1, 4}” causes a segmentation fault
  26. What are the rules for casting pointers in C?
  27. Printing pointers in C
  28. lvalue required as increment operand
  29. pointer default value .?
  30. Is it possible to store the address of a label in a variable and use goto to jump to it?

Leave a Comment