The Microsoft Input/Output Stream Classes (iostream.hlp) (Table of Contents; Topic list)
ios::fail
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──The Microsoft iostream Classes────────────────────────────────────────────
 
  int fail() const;
 
  Remarks
 
  Returns a nonzero value if any I/O error (not end of file) has occurred.
  This condition corresponds to either the badbit or failbit error flag
  being set. If a call to bad returns 0, you can assume that the error
  condition is nonfatal and that you can probably continue processing
  after you clear the flags.
 
  See Also
 
  ◄ios::bad►, ◄ios::clear►
 
 
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