Name: H5Pget_family_offset
Signature:
herr_t H5Pget_family_offset ( hid_t fapl_id, hsize_t *offset )
Purpose:
Retrieves a data offset from the file access property list.
Description:
H5Pget_family_offset retrieves the value of offset from the file access property list fapl_id so that the user application can retrieve a file handle for low-level access to a particular member of a family of files. The file handle is retrieved with a separate call to H5Fget_vfd_handle (or, in special circumstances, to H5FDget_vfd_handle; see Virtual File Layer and List of VFL Functions in HDF5 Technical Notes).

The data offset returned in offset is the offset of the data in the HDF5 file that is stored on disk in the selected member file in a family of files.

Use of this function is only appropriate for an HDF5 file written as a family of files with the FAMILY file driver.

Parameters:
Returns:
Returns a non-negative value if successful; otherwise returns a negative value.
Fortran90 Interface:
None.
History: