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Annotation of 42BSD/sys/h/conf.h, revision 1.1.1.1

1.1       root        1: /*     conf.h  6.1     83/07/29        */
                      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_psize)();
                     19:        int     d_flags;
                     20: };
                     21: #ifdef KERNEL
                     22: struct bdevsw bdevsw[];
                     23: #endif
                     24: 
                     25: /*
                     26:  * Character device switch.
                     27:  */
                     28: struct cdevsw
                     29: {
                     30:        int     (*d_open)();
                     31:        int     (*d_close)();
                     32:        int     (*d_read)();
                     33:        int     (*d_write)();
                     34:        int     (*d_ioctl)();
                     35:        int     (*d_stop)();
                     36:        int     (*d_reset)();
                     37:        struct tty *d_ttys;
                     38:        int     (*d_select)();
                     39:        int     (*d_mmap)();
                     40: };
                     41: #ifdef KERNEL
                     42: struct cdevsw cdevsw[];
                     43: #endif
                     44: 
                     45: /*
                     46:  * tty line control switch.
                     47:  */
                     48: struct linesw
                     49: {
                     50:        int     (*l_open)();
                     51:        int     (*l_close)();
                     52:        int     (*l_read)();
                     53:        int     (*l_write)();
                     54:        int     (*l_ioctl)();
                     55:        int     (*l_rint)();
                     56:        int     (*l_rend)();
                     57:        int     (*l_meta)();
                     58:        int     (*l_start)();
                     59:        int     (*l_modem)();
                     60: };
                     61: #ifdef KERNEL
                     62: struct linesw linesw[];
                     63: #endif
                     64: 
                     65: /*
                     66:  * Swap device information
                     67:  */
                     68: struct swdevt
                     69: {
                     70:        dev_t   sw_dev;
                     71:        int     sw_freed;
                     72:        int     sw_nblks;
                     73: };
                     74: #ifdef KERNEL
                     75: struct swdevt swdevt[];
                     76: #endif

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