1984-07-20 11:03:31 +00:00
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/* $Header$ */
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1984-07-20 10:44:57 +00:00
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#include <pc_file.h>
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#include <pc_err.h>
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extern struct file *_curfil;
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extern _trp();
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extern _incpt();
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_rf(f) struct file *f; {
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_curfil = f;
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if ((f->flags&0377) != MAGIC)
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_trp(EBADF);
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if (f->flags & WRBIT)
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_trp(EREADF);
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if ((f->flags & WINDOW) == 0)
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_incpt(f);
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}
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