% ANNOTATION = WFDB_getann(ANN_NUM)
% ANNOTATION = WFDB_getann(ANN_NUM, NANN)
%
% Reads the next NANN annotations from an open input annotation file
% (designated by its annotator number, ANN_NUM).  If NANN is omitted,
% read all annotations at once.  Use WFDB_iannsettime to set the file pointer.
%
% ANN_NUM: Annotator number (note: the first annotator is annotator number 0)
% NANN: Number of annotations wanted.
% ANNOTATION: Resulting annotation structure(s).
%
% http://www.physionet.org