https://www.csdn.net/gather_2e/NtjaYgzsNTctYmxvZwO0O0OO0O0O.html
There are pointers and values:
int& a = b;
int *c = &a;
*c
https://www.csdn.net/gather_2e/NtjaYgzsNTctYmxvZwO0O0OO0O0O.html
There are pointers and values:
int& a = b;
int *c = &a;
*c