void printstring(const char *const string)
{
    fprintf(stderr, "%sn", string);
}

const char string[10] = "123456789";
printstring(string);

const char string[10] = "123456789";
printstring(&string);

error: passing argument 1 of 'printstring' from incompatible pointer type [-Werror]
 printstring(&string);

note: expected 'const char * const' but argument is of type 'const char (*)[10]'
  void printstring(const char *const string)

const char string[10] = "123456789";
printstring((const char *)&string);