DFAN - Single-file Annotation Interface

DFANaddfds/daafds	Adds a file description to a file.
DFANaddfid/daafid	Writes a file label to a file.
DFANclear/daclear	Resets all internal library structures and parameters of the DFAN annotation interface.
DFANgetdesc/dagdesc	Reads the description assigned to the data object with the given tag and reference number.
DFANgetdesclen/dagdlen	Retrieves the length of a description of the data object with the given tag and reference number.
DFANgetfds/dagfds	Reads the next file description.
DFANgetfdslen/dagfdsl	Returns the length of a file description.
DFANgetfid/dagfid	Reads a file label from a file.
DFANgetfidlen/dagfidl	Returns the length of a file label.
DFANgetlabel/daglab	Reads the label assigned to the data object identified by the given tag and reference number.
DFANgetlablen/dagllen	Returns the length of a label assigned to the object with a given tag and reference number.
DFANlablist/dallist	Returns a list of all reference numbers and labels (if labels exist) for a given tag.
DFANlastref/dalref	Returns the reference number of the annotation last written or read.
DFANputdesc/dapdesc	Writes a description for the data object with the given tag and reference number.
DFANputlabel/daplab	Assigns a label to the data object with the given tag/reference number pair.