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DIOCGCURPT(9r)


NAME

  DIOCGCURPT - Disk: Returns the current partition map for a disk


SYNOPSIS

  #include <io/common/devio.h>
  #include <sys/ioctl.h>


  int ioctl(
	  dev_t dev,
	  register int DIOCGCURPT,
	  caddr_t data,
	  int flag );


DESCRIPTION

  The DIOCGCURPT ioctl command returns the current partition map to the user
  data buffer in a pt_tbl structure. The pt_tbl structure contains an array
  of partition structures, up to the maximum partitions allowed on the
  device.


EXAMPLE

  See Writing Device Drivers: Advanced Topics for an example of how a disk
  device driver implements the DIOCGCURPT command.


SEE ALSO

  Data Structures: disklabel(9s), pt_tbl(9s)

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