TIMET_TO_NATIVE
TIMET_TO_NATIVE(m_time) /* NOP unless MSC 7.0 or Macintosh */
TIMET_TO_NATIVE(z_utime.mtime) /* NOP unless MSC 7.0, Mac */
#ifndef TIMET_TO_NATIVE /* everybody but MSC 7.0 and Macintosh */
TIMET_TO_NATIVE(z_utime.mtime) /* NOP unless MSC 7.0 or Macintosh */
TIMET_TO_NATIVE(z_utime.mtime) /* NOP unless MSC 7.0 or Macintosh */