C - Setting a struct to null (incompatible types in assignment)

Question

I have the following struct:

struct elem {
  int number;
  char character;
};

struct item {
  struct elem element;
};

and the following functi

Answer 1

1. element is not a pointer and hence cannot be assigned NULL.
2. main->element is wrong usage. You cannot access a structure's element using it's name. It should be wrapper->element. You should access it using the variable name.