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/* Including <linux/fs.h> became more and more painful.
   Below a very abbreviated version of some declarations,
   only designed to be able to check a magic number
   in case no filesystem type was given. */

#ifndef BLKGETSIZE
#ifndef _IO
/* pre-1.3.45 */
#define BLKGETSIZE 0x1260		   /* return device size */
#else
/* same on i386, m68k, arm; different on alpha, mips, sparc, ppc */
#define BLKGETSIZE _IO(0x12,96)
#endif
#endif