What is the difference between const char *myPointer and char *const myPointer?

Question

A char can not be a +ve or -ve. last bit is signed bit in accumulator.but not useful for CHAR Whats the purpose? of doing it.

Answer 1

First one mean "pointer to a constant" and second one is "constant pointer". In first case "content can't modify" while in second case myPointer can not point to another location.

Answer 2

Below Example Will Help You In Understanding The Difference:

1)const char *myptr
Ex:
char ch = 'a';
const char *myptr = &ch;
*myptr = 'b' <---- Not Possible
myptr++; <-----Possible

2)char *const myptr
Ex:
char ch = 'a';
const char *myptr = &ch;
*myptr = 'b' <---- Possible
myptr++; <-----Not Possible

Answer 3

Const char *myPointer is a non constant pointer to constant data; while char *const myPointer is a constant pointer to non constant data.

Answer 4

const char *myPointer is a pointer to a const char, and char *const myPointer is a constant pointer to a char.