SMCIOC_PREVENT_MEDIUM_REMOVAL

This IOCTL command prevents an operator from removing medium from the device until the SMCIOC_ALLOW_MEDIUM_REMOVAL command is issued or the device is reset.

There is no associated data structure.

An example of the SMCIOC_PREVENT_MEDIUM_REMOVAL command is
  #include <sys/Atape.h>

  if (!ioctl (smcfd, SMCIOC_PREVENT_MEDIUM_REMOVAL, NULL))
      printf ("The SMCIOC_PREVENT_MEDIUM_REMOVAL ioctl succeeded\n");
  else
  {
      perror ("The SMCIOC_PREVENT_MEDIUM_REMOVAL ioctl failed");
      smcioc_request_sense();
  }