Constant pointer, pointer constant, constant pointer constant

1#include <stdio.h>2 3 intMain ()4 {5     intA = -;6     intb = -;7 8     /*9 * Constant pointer, can not modify point to addressTen * The value in the storage space, but you can modify the value pointing to the address One      */ A     int Const*P1 = &A;  -     Const int*P2 = &a;//constant Pointer -  the     /*  - * Pointer constant, can not modify the address pointed to - * But you can modify the contents of the point in the address storage space -      */ +     int*ConstP3 = &b; -  +     /* A * Constant pointer constant, the address pointed to and the value in the storage space at * Can not be modified -      */ -     Const int*ConstP4 = &A; -     int Const*ConstP5 = &b;//constant Pointer Constants -  -  inP1 = &b;//constant pointer, you can modify the address pointed to -P2 = &b;//constant pointer, you can modify the address pointed to to      +*P3 =Ten;//pointer constants, you can modify the contents of the storage space -   //P3 = &a;//pointer constant, cannot modify the address pointed to the      *   //P4 = ten;//pointer constant, can not modify the point to address but can modify the point in the address storage space content $  //P5 = &a;//pointer constant, can not modify the point to address but can modify the point in the address storage space contentPanax Notoginseng  -printf"%d %d%d%d%d", *p1, *P2, *P3, *P4, *p5); the  +     return 0; A}

Constant pointer, pointer constant, constant pointer constant