_IO
#define DS_RESET_CARD _IO ('d', 8)
#define DS_SUSPEND_CARD _IO ('d', 12)
#define DS_RESUME_CARD _IO ('d', 13)
#define DS_EJECT_CARD _IO ('d', 14)
#define DS_INSERT_CARD _IO ('d', 15)
#define __SIO _IO
#if defined(linux) && defined(_IO) && !defined(BLKGETSIZE)
#define BLKGETSIZE _IO(0x12,96) /* Get device size in 512-byte blocks. */
#if defined(linux) && defined(_IO) && !defined(BLKSSZGET)
# define BLKSSZGET _IO(0x12,104) /* Get device sector size in bytes. */
#if defined(linux) && defined(_IO) && !defined(BLKBSZSET)
#define UFSRESUME _IO('U', 2)