[gmx-users] for help about reading xtc file

[Mark Abraham]

Right, because a pointer to an XDRFILE is neither a struct nor a union
:-) Look at how these routines are used, and consult the header files
for the right types to give them.

Mark

On Thu, Aug 15, 2013 at 7:29 PM, Xu, Yechuan <y.xu at neu.edu> wrote:
> Hi Everyone,
>
> I want to read a certain frame in a xtc file. How can I do that?
> I see there are xdr_getpos() and xdr_setpos(). How should I use
> these functions?
>
> I tried:
>
> XDRFILE *xtc;
> unsigned int pos;
>
> pos=xdr_getpos(xtc.xdr);
>
> but I got:
> error: request for member ‘xdr’ in something not a structure or union
>
> Thanks in advance.
> YC--
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