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

1.1       root        1: /* getc.c - getc */
                      2: 
                      3: #include <conf.h>
                      4: #include <kernel.h>
                      5: #include <io.h>
                      6: 
                      7: /*------------------------------------------------------------------------
                      8:  *  getc  -  get one character from a device
                      9:  *------------------------------------------------------------------------
                     10:  */
                     11: SYSCALL        getc(descrp)
                     12: int descrp;
                     13: {
                     14:        struct  devsw   *devptr;
                     15: 
                     16:        if (isbaddev(descrp) )
                     17:                return(SYSERR);
                     18:        devptr = &devtab[descrp];
                     19:         return( (*devptr->dvgetc)(devptr) );
                     20: }

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