[gmx-users] A question regarding the xdr lib

[David van der Spoel]

LuLanyuan wrote:
> Hello,
> I just compiled the xdr file lib that was recently released on the 
> Gromacs website.
> I'm just wondering what's the meaning of "char *fn" in the xdrfile_???.h 
> as in:
> 
> /* This function returns the number of atoms in the xtc file in *natoms */
>   extern int read_xtc_natoms(char *fn,int *natoms);
> 
>   /* Read one frame of an open xtc file */
>   extern int read_xtc(XDRFILE *xd,int natoms,int *step,float *time,
>                       matrix box,rvec *x,float *prec);
> 
> Is the "char *fn" the name of the xdr file?
yes.

please check the test program, for examples.

> Can anyone give me a clue? Thanks very much.
> Lanyuan Lu
> 
> 
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-- 
David.
________________________________________________________________________
David van der Spoel, PhD, Professor of Biology
Dept. of Cell and Molecular Biology, Uppsala University.
Husargatan 3, Box 596,  	75124 Uppsala, Sweden
phone:	46 18 471 4205		fax: 46 18 511 755
spoel at xray.bmc.uu.se	spoel at gromacs.org   http://folding.bmc.uu.se
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