xdf_open - Open a xDF file for reading or writing

xdf_open() opens a xDF the file refered by the path filename for reading or writing.

       If mode is XDF_READ, the file is opened for reading. Thus it must exist and type should be either XDF_ANY
       or set to the type of the file refered by type. Otherwise, the function will fail.

       If  mode  is  XDF_WRITE,  the  file  is opened for writing. Thus the path filename must not refered to an
       existing file: the function will fail if the file exist. This behavior prevents to overwrite any previous
       recording. type should be also be set to the desired type of  data  format  (XDF_ANY  will  result  in  a
       error).

       The possible file type values are defined in the header file <xdfio.h>

       In addition to the errors related to calls to open(3) or read(3), the following errors can occur:

       EILSEQ The file that is being opened does not correspond to a supported file format or is not of the type
              specified.

       ENOMEM The system is unable to allocate resources.

       EINVALmode is neither XDF_READ nor XDF_WRITE, or filename is NULL.

       xdf_open - Open a xDF file for reading or writing

       The  function  returns  an handle to xDF file opened in case of success.  Otherwise, NULL is returned and
       errno is set appropriately.

xdf_close(3)

EPFL                                                  2010                                           XDF_OPEN(3)

#include<xdfio.h>structxdf*xdf_open(constchar*filename,intmode,enumxdffiletypetype);