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Annotation of 41BSD/4.0.upgrade/sys/h/conf.h, revision 1.1.1.1

1.1       root        1: /*     conf.h  4.7     81/04/03        */
                      2: 
                      3: /*
                      4:  * Declaration of block device
                      5:  * switch. Each entry (row) is
                      6:  * the only link between the
                      7:  * main unix code and the driver.
                      8:  * The initialization of the
                      9:  * device switches is in the
                     10:  * file conf.c.
                     11:  */
                     12: struct bdevsw
                     13: {
                     14:        int     (*d_open)();
                     15:        int     (*d_close)();
                     16:        int     (*d_strategy)();
                     17:        int     (*d_dump)();
                     18:        int     d_flags;
                     19: };
                     20: #ifdef KERNEL
                     21: struct bdevsw bdevsw[];
                     22: #endif
                     23: 
                     24: /*
                     25:  * Character device switch.
                     26:  */
                     27: struct cdevsw
                     28: {
                     29:        int     (*d_open)();
                     30:        int     (*d_close)();
                     31:        int     (*d_read)();
                     32:        int     (*d_write)();
                     33:        int     (*d_ioctl)();
                     34:        int     (*d_stop)();
                     35:        int     (*d_reset)();
                     36:        struct tty *d_ttys;
                     37: };
                     38: #ifdef KERNEL
                     39: struct cdevsw cdevsw[];
                     40: #endif
                     41: 
                     42: /*
                     43:  * tty line control switch.
                     44:  */
                     45: struct linesw
                     46: {
                     47:        int     (*l_open)();
                     48:        int     (*l_close)();
                     49:        int     (*l_read)();
                     50:        char    *(*l_write)();
                     51:        int     (*l_ioctl)();
                     52:        int     (*l_rint)();
                     53:        int     (*l_rend)();
                     54:        int     (*l_meta)();
                     55:        int     (*l_start)();
                     56:        int     (*l_modem)();
                     57: };
                     58: #ifdef KERNEL
                     59: struct linesw linesw[];
                     60: #endif
                     61: 
                     62: /*
                     63:  * Swap device information
                     64:  */
                     65: struct swdevt
                     66: {
                     67:        dev_t   sw_dev;
                     68:        int     sw_freed;
                     69: };
                     70: #ifdef KERNEL
                     71: struct swdevt swdevt[];
                     72: #endif

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