1  typedef unsigned int u_int8_t __attribute__ ((__mode__ (__QI__)));
       2  typedef unsigned int u_int32_t __attribute__ ((__mode__ (__SI__)));
       3  typedef enum { READ_SHARED = 0, WRITE_EXCLUSIVE = 1,
       4      READ_EXCLUSIVE = 2, EXCLUSIVE_ACCESS = 3 } scsires_access_mode;
       5  struct scsires_extent_elem {
       6      scsires_access_mode mode;
       7      unsigned relative_address;
       8      u_int32_t first_block;
       9      u_int32_t length;
      10  };
      11  typedef struct scsires_extent_elem scsires_extent_elem_t;
      12  struct scsires_extent {
      13      u_int8_t num_elements;
      14      scsires_extent_elem_t *elements;
      15  };
      16  typedef struct scsires_extent scsires_extent_t;
      17  unsigned char buf[512];
      18  void scsires_issue_reservation(scsires_extent_t * new_extent)
      19  {
      20    int i;
      21    for (i = 0; i < new_extent->num_elements; i++)
      22      {
      23        buf[(i * 8)] = new_extent->elements[i].mode;
      24        buf[(i * 8) + 1] = ((new_extent->elements[i].length >> 16) & 0xff); 
      25        buf[(i * 8) + 2] = ((new_extent->elements[i].length >> 8) & 0xff);
      26        buf[(i * 8) + 3] = (new_extent->elements[i].length & 0xff);
      27        buf[(i * 8) + 4] = ((new_extent->elements[i].first_block >> 24) & 0xff); 
      28        buf[(i * 8) + 5] = ((new_extent->elements[i].first_block >> 16) & 0xff);
      29        buf[(i * 8) + 6] = ((new_extent->elements[i].first_block >> 8) & 0xff);
      30        buf[(i * 8) + 7] = (new_extent->elements[i].first_block & 0xff);
      31      }
      32  }