OEResidueHydrogens

void OEResidueHydrogens(OEAtomBase* atm,
                        unsigned style = OEPDBHydrogenStyle::Modern)
void OEResidueHydrogens(OEMolBase& mol,
                        unsigned style = OEPDBHydrogenStyle::Modern)

This function sets the residue information associated with each explicit hydrogen in a molecule, from the residue information of its parent.