_ISNEW - did open create this file.

Usage:

#include <host_io.h>
stat = _isnew(unit);

Where:

FILE *unit
is the number of a disk file I/O unit.
int stat
is non-zero if this file was created by during open processing.

Description:

"_isnew" is used to query whether a disk file was created during open processing. "_isnew" assumes that the program knows that this is a disk file unit.

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