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Re: Casting the first member of a struct (and back)

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Francis Glassborow <francis.glassborow@btinternet.com> writes:
[...]
> You are confusing 'legal' with 'will work as expected'. The 
> implementation takes the programmer's word that a cast is valid. That is 
> the nature of casts in C. They are effectively an unchecked way of 
> changing the type of an area of memory.

Well, pointer casts are.  Numeric casts just convert a value of one type
to another in a (usually) well-defined way.

-- 
Keith Thompson (The_Other_Keith) kst-u@mib.org  <http://www.ghoti.net/~kst>
Working, but not speaking, for JetHead Development, Inc.
"We must do something.  This is something.  Therefore, we must do this."
    -- Antony Jay and Jonathan Lynn, "Yes Minister"
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Casting the first member of a struct (and back) stephan beal <sgbeal@googlemail.com> - 2013-08-07 01:06 -0500
  Re: Casting the first member of a struct (and back) Francis Glassborow <francis.glassborow@btinternet.com> - 2013-08-07 13:51 -0500
    Re: Casting the first member of a struct (and back) Keith Thompson <kst-u@mib.org> - 2013-09-02 04:07 -0500
  Re: Casting the first member of a struct (and back) James Kuyper <jameskuyper@verizon.net> - 2013-08-07 13:51 -0500
  Re: Casting the first member of a struct (and back) Jasen Betts <jasen@xnet.co.nz> - 2013-08-07 13:51 -0500

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