C Language Learning Notes

First, the pointer

The pointer is the address, and the pointer variable is the variable that holds the address, and whose address is stored in the pointer variable, which is the pointer to whom it is pointing.

1. One-dimensional arrays

One-dimensional array name represents the address of the first element of the array

&: Take address operator. &a is the address of variable a

*: pointer operator, *p the object that the pointer variable p points to

1 &a[i]= (A +i); 2 a[i]=* (a+i);

C Language Learning Notes