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- static char sccs_id[] = "@(#) read.c 1.2 " __DATE__ " HJR";
-
- /* read.c (c) Copyright 1990 H.Rogers */
-
- #include <errno.h>
-
- #include "fcntl.h"
-
- #include "sys/dev.h"
- #include "sys/unix.h"
-
- int
- read (int fd, register void *data, register int nbyte)
- {
- register struct file *f;
-
- if (BADF (fd))
- {
- errno = EBADF;
- return (-1);
- }
-
- f = __u->file + fd;
-
- if ((f->oflag & O_OMASK) == O_WRONLY)
- {
- errno = EBADF;
- return (-1);
- }
-
- return ((*(__dev[major (f->dev)].read)) (minor (f->dev), data, nbyte, f));
- }
-