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Annotation of xinu/sys/open.c, revision 1.1.1.1

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:  */
                     11: SYSCALL        open(descrp, nam, mode)
                     12: int    descrp;
                     13: char   *nam;
                     14: char   *mode;
                     15: {
                     16:        struct  devsw   *devptr;
                     17: 
                     18:        if ( isbaddev(descrp) )
                     19:                return(SYSERR);
                     20:        devptr = &devtab[descrp];
                     21:        return( (*devptr->dvopen)(devptr, nam, mode) );
                     22: }

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