Attempting to modify data through a non-constant pointer to constant data. : const pointer « Pointer « C Tutorial

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C Tutorial » Pointer » const pointer   10. 9. 2. Attempting to modify data through a non-constant pointer to constant data. xPtr cannot be used to modify the value of the variable to which it points. #include <stdio.h> void f( const int *xPtr ); int main() {    int y;           f( &y );         return 0;     } void f( const int *xPtr ) {    //*xPtr = 100;  /* error: cannot modify a const object */ } 10. 9. const pointer 10. 9. 1.  Attempting to modify a constant pointer to non-constant data 10. 9. 2.  Attempting to modify data through a non-constant pointer to constant data. 10. 9. 3.  Using a non-constant pointer to non-constant data 10. 9. 4.  A non-constant pointer to constant data

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