-
Finding an address: the
&operator, where%pis the conversion specification for an address. -
Indirection operator:
*(this operator is also sometimes called the dereference operator)
# 地址运算符: &
ptr = &bah; // 后面跟一个变量名时，&给出该变量的地址
# 间接（或解引用）运算符：*
val = *ptr; // 后跟一个指针名或地址时，*给出存储在指针指向地址上的值
# 声明指针
int * pi; // pi是一个指向int类型变量的指针，* pi是 int 类型