15 lines
224 B
C
15 lines
224 B
C
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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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_wf(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) == 0)
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_trp(EWRITEF);
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}
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