Compiler Warning C0033

Message: Type '<pointer type>' is possibly not convertible to type '<data type>'.

Possible error cause: This error occurs only when checking pool objects. An attempt was made to convert a pointer to an integer. Because the size of pointers in a library is unknown, errors may occur when using the library.

Error correction: Use the type __UXINT or __XWORD for platform-independent calculations with pointers.

PROGRAM PLC_PRG
VAR
    ptr : POINTER TO INT;
    dw : DWORD;
END_VAR
    dw := ptr;