fix 'warning: ‘saveptr’ may be used uninitialized in this function'
fix 'warning: ‘saveptr’ may be used uninitialized in this function'

devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5