pointer increment

[Tom Karzes]

In article <829 at ruso.UUCP> wolfgang at ruso.UUCP (Wolfgang Deifel) writes:
>dkonerding at eagle.wesleyan.edu writes:
>If you want to increment ptr only by one you should use a cast.
>
>    ((char*)ptr)++ ;

This is not legal C, since a cast expression is not a valid LHS.  You can
no more use this than you can use:

    ((char *) ptr) = ...;

Some compilers may accept this, but it isn't legal C.