updated  some use of internal structure members
updated  some use of internal structure members

alexeyvo/ocilib,alexeyvo/ocilib,Convey-Compliance/ocilib,ljx0305/ocilib,vrogier/ocilib,Convey-Compliance/ocilib,ljx0305/ocilib,kornefalk/ocilib2017,Convey-Compliance/ocilib,kornefalk/ocilib2017,kornefalk/ocilib2017,vrogier/ocilib,ljx0305/ocilib,lawrence200801/ocilib,vrogier/ocilib,vrogier/ocilib,lawrence200801/ocilib,lawrence200801/ocilib,alexeyvo/ocilib