?? write.c
字號:
/* write.c - write */
#include <conf.h>
#include <kernel.h>
#include <io.h>
/*------------------------------------------------------------------------
* write - write 1 or more bytes to a device
*------------------------------------------------------------------------
*/
int
write(int descrp, const void *buff, unsigned count)
{
struct devsw *pdev;
if (isbaddev(descrp) )
return SYSERR;
pdev = &devtab[descrp];
return (*pdev->dvwrite)(pdev, buff, count);
}
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