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#include <stdio.h>
 
int main(void) {
 
	int i=1;
	char c = 'c';
	float f = 1.0;
 
	double* p = &i;
	printf("%d\n",*(int*)p);
	p = &c;
	printf("%c\n",*(char*)p);
	p = &f;
	printf("%f\n",*(float*)p);
	return 0;
}
 
Success

prog.cpp: In function 'int main()':
prog.cpp:9:15: error: cannot convert 'int*' to 'double*' in initialization
  double* p = &i;
               ^
prog.cpp:11:4: error: cannot convert 'char*' to 'double*' in assignment
  p = &c;
    ^
prog.cpp:13:4: error: cannot convert 'float*' to 'double*' in assignment
  p = &f;
    ^
prog.cpp: At global scope:
prog.cpp:18:1: error: 'Success' does not name a type
 Success
 ^

Standard output is empty