int main()
{
	// allocate 2 bytes for storing machine code
	char* mc_add = (char*)malloc(sizeof(char)*2);
	int reg_eax; // for storing register EAX
 
	_asm mov eax, 0x10; // assign EAX = 16
	_asm mov ecx, 0x01; // assign ECX = 1
 
	// ADD EAX, ECX  == 0x01C1
	*mc_add = 0x01;
	*(mc_add+1) = 0xC1;
 
        // *  I want to execute machine code instructuion from mc_add here *
 
	_asm mov reg_eax, eax; // get register EAX
 
	printf("Register EAX is%d", reg_eax); // print EAX
 
	free(mc_add); // free machine code
 
	return 0;
}

 
int main()
{
	// allocate 8 bytes for storing machine code
	char *mc_mov = (char*)VirtualAlloc(0, 8, 0x1000, 0x40);
	int reg_eax; // for storing register EAX
 
	*mc_mov = 0xC7; // MOV (Immediate 32 bit to 32-bit register)
	*(mc_mov+1) = 0xC0; // MOV to register EAX
	*(mc_mov+2) = 0x00; // Immediate 32 bit data = 0x00000000
	*(mc_mov+3) = 0x00;
	*(mc_mov+4) = 0x00;
	*(mc_mov+5) = 0x00;
	*(mc_mov+6) = 0xC2; // Return 16
	*(mc_mov+7) = 0x10; 
 
	CallWindowProc((WNDPROC)mc_mov, 0, 0, 0, 0);
 
	_asm mov reg_eax, eax; // get register EAX
 
	printf("Register EAX is %d", reg_eax); // print EAX
 
	VirtualFree((LPVOID)mc_mov, 8, 0x4000); // free machine code
 
	return 0;
}