home *** CD-ROM | disk | FTP | other *** search
- #include <sys/param.h>
- #include <sys/inode.h>
- #include "saio.h"
-
- devread(io)
- register struct iob *io;
- {
-
- return( (*devsw[io->i_ino.i_dev].dv_strategy)(io,READ) );
- }
-
- devwrite(io)
- register struct iob *io;
- {
- return( (*devsw[io->i_ino.i_dev].dv_strategy)(io, WRITE) );
- }
-
- devopen(io)
- register struct iob *io;
- {
- (*devsw[io->i_ino.i_dev].dv_open)(io);
- }
-
- devclose(io)
- register struct iob *io;
- {
- (*devsw[io->i_ino.i_dev].dv_close)(io);
- }
-
- nullsys()
- { ; }
-
- int rpstrategy();
- int rkstrategy();
- int nullsys();
- int tmstrategy(), tmrew(), tmopen();
- int htstrategy(), htopen(),htclose();
- int hpstrategy(), rlstrategy(), rlopen();
- int vtstrategy(), vtopen();
-
- struct devsw devsw[] {
- "hp", hpstrategy, nullsys, nullsys,
- "ht", htstrategy, htopen, htclose,
- "rk", rkstrategy, nullsys, nullsys,
- "rl", rlstrategy, rlopen, nullsys,
- "rp", rpstrategy, nullsys, nullsys,
- "tm", tmstrategy, tmopen, tmrew,
- "vt", vtstrategy, vtopen, nullsys,
- 0,0,0,0
- };
-