Pointer value (*) and self-increment (+ +) operation

+ + (*p ) takes the pointer to the content, then adds 1 to the content, and the plus 1 operation is currently in effect. Equivalent to ++*p

(*p) + + takes the pointer to the content, and then adds 1 to the content, plus 1 action takes effect after the statement executes

* (p++) p pointer plus 1, plus 1 action takes effect after the statement executes, and then takes the content that the current P pointer points to. Equivalent to *p++

* (++p) p pointer plus 1, plus 1 operation currently in effect, and then take the current p pointer to the content. Equivalent to *++p

For different types of pointers, the memory address movement is equal to the length of memory that the type occupies ...

Pointer value (*) and self-increment (+ +) operation