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Annotation of xinu/sys/open.c, revision 1.1.1.2

1.1       root        1: /* open.c - open */
                      2: 
                      3: #include <conf.h>
                      4: #include <kernel.h>
                      5: #include <io.h>
                      6: 
                      7: /*------------------------------------------------------------------------
                      8:  *  open  -  open a connection to a device/file (parms 2 &3 are optional)
                      9:  *------------------------------------------------------------------------
                     10:  */
1.1.1.2 ! root       11: open(descrp, nam, mode)
1.1       root       12: int    descrp;
                     13: char   *nam;
                     14: char   *mode;
                     15: {
                     16:        struct  devsw   *devptr;
                     17: 
1.1.1.2 ! root       18: #ifdef DEBUG1
        !            19:        dotrace("open", &descrp, 3);
        !            20: #endif
1.1       root       21:        if ( isbaddev(descrp) )
                     22:                return(SYSERR);
                     23:        devptr = &devtab[descrp];
                     24:        return( (*devptr->dvopen)(devptr, nam, mode) );
                     25: }

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