len Use len = (UINT32) ((char *) address2 - (char *) address1); Do not use void *address1; void *address2; UINT32 len; len = (UINT32) ((char *) address2 - (char *) address1); Parent topic: Coding considerations on Windows fg19500_
Use
len = (UINT32) ((char *) address2 - (char *) address1);
void *address1; void *address2; UINT32 len; len = (UINT32) ((char *) address2 - (char *) address1);