The Microsoft Input/Output Stream Classes (iostream.hlp) (Table of Contents; Topic list)
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ios::rdstate
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──The Microsoft iostream Classes────────────────────────────────────────────
 
  int rdstate() const;
 
  Remarks
 
  Returns the current error state as specified by the following masks (ios
  enumerators):
 
  Value          Meaning
 
  ios::goodbit   No error condition
 
  ios::eofbit    End of file reached
 
  ios::failbit   A possibly recoverable formatting or conversion error
 
  ios::badbit    A severe I/O error or unknown state
 
  The returned value can be tested against a mask with the AND (&)
  operator.
 
  See Also
 
  ◄ios::clear►
 
 
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