You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: mayo2nifti1.m
    path of file: ./repos/bspm/thirdparty/MIALAB/gipc1d/ipctb_spm5_files/@ipctb_nifti/private
    
    the code of the file until where you have to start completion: function hdr = mayo2nifti1(ohdr,mat)
% Convert from an ANALYZE to a NIFTI-1 header
% _______________________________________________________________________
% Copyright (C) 2005 Wellcome Department of Imaging Neuroscience

%

    
function hdr = mayo2nifti1(ohdr,mat)
% Convert from an ANALYZE to a NIFTI-1 header
% _______________________________________________________________________
% Copyright (C) 2005 Wellcome Department of Imaging Neuroscience

%
% $Id: mayo2nifti1.m 594 2006-08-16 16:22:34Z john $


if isfield(ohdr,'magic'),
    hdr = ohdr;
    return;
end