The Microsoft Input/Output Stream Classes (iostream.hlp) (Table of Contents; Topic list)
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ios::operator ! ()
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──The Microsoft iostream Classes────────────────────────────────────────────
 
  int operator !() const;
 
  Remarks
 
  Returns a nonzero value if either failbit or badbit are set in the
  stream's error state. See ◄rdstate► for a description of the error state
  masks.
 
  See Also
 
  ◄ios::good►, ◄ios::fail►
 
 
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