IS_DRIVE         1139 src/fileio.c   	&& ! (IS_DRIVE (o[0]) && IS_DEVICE_SEP (o[1])
IS_DRIVE         1272 src/fileio.c     if (IS_DRIVE (nm[0]) && IS_DEVICE_SEP (nm[1]))
IS_DRIVE         1513 src/fileio.c   	  ! (IS_DRIVE (newdir[0])
IS_DRIVE         1534 src/fileio.c   	  if (IS_DRIVE (newdir[0]) && IS_DEVICE_SEP (newdir[1]))
IS_DRIVE         1573 src/fileio.c         if (IS_DRIVE (newdir[0]) && IS_DEVICE_SEP (newdir[1]))
IS_DRIVE         1983 src/fileio.c     if (IS_DRIVE (*home)