1 /* 2 * Copyright (c) 1983 Regents of the University of California. 3 * All rights reserved. The Berkeley software License Agreement 4 * specifies the terms and conditions for redistribution. 5 * 6 * @(#)disktab.h 5.2 (Berkeley) 10/01/85 7 */ 8 9 /* 10 * Disk description table, see disktab(5) 11 */ 12 #define DISKTAB "/etc/disktab" 13 14 struct disktab { 15 char *d_name; /* drive name */ 16 char *d_type; /* drive type */ 17 int d_secsize; /* sector size in bytes */ 18 int d_ntracks; /* # tracks/cylinder */ 19 int d_nsectors; /* # sectors/track */ 20 int d_ncylinders; /* # cylinders */ 21 int d_rpm; /* revolutions/minute */ 22 int d_badsectforw; /* supports DEC bad144 std */ 23 int d_sectoffset; /* use sect rather than cyl offsets */ 24 struct partition { 25 int p_size; /* #sectors in partition */ 26 short p_bsize; /* block size in bytes */ 27 short p_fsize; /* frag size in bytes */ 28 } d_partitions[8]; 29 }; 30 31 struct disktab *getdiskbyname(); 32