C Language and Libraries Help (clang.hlp) (Table of Contents; Topic list)
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_DOSERROR Structure
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─────Run-Time Library───────────────────────────────────────────────────────
 
  Include:  <dos.h>
 
  Context:  _dosexterr
 
  Structure:
 
  struct _DOSERROR
  {
      int exterror;             // Extended error code
      char class;               // Error class
      char action;              // Recommended recovery action
      char locus;               // Location of error
  };
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