H5Pget_filter1

int H5Pget_filter1(hid_t plist_id,  uint  idx,  uint *  flags,  size_t *  cd_nelmts,
       uint *  cd_values,  size_t namelen,  char *  name)

Gets the filter information (version 1).

`plist_id`	Property list identifier
`idx`	Filter index
`flags`	Pointer to receive filter flags
`cd_nelmts`	Pointer to number of client data elements
`cd_values`	Buffer to receive client data
`namelen`	Length of name buffer
`name`	Buffer to receive filter name

Filter identifier on success, H5Z_FILTER_ERROR on failure.