utils/internal/constptr.c - platform/external/python/pycparser - Git at Google

 void foo(char * const * arg) {
   arg += 1;
   (*arg) += 1;
 }

 void foo2(char ** const arg) {
   arg += 1;
   (*arg) += 1;
 }
	void foo(char * const * arg) {
	arg += 1;
	(*arg) += 1;
	}

	void foo2(char ** const arg) {
	arg += 1;
	(*arg) += 1;
	}