E - error recovery.
- e - Error recovery.
- If an I/O error occurs on the unit any time after it has
been opened, control returns to the user. Normally OPEN
sets up the I/O unit so that the program EXITs with an
error message if an I/O error occurs. If a program
specifies error recovery, it must check for error
statuses on all subsequent I/O calls (READ, WRITE,
PUTCHAR etc.).
See the "f"
option of OPEN to recover from errors that may arise
during the OPEN operation itself.
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