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note macros

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11
man/man3/open.3
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@ -159,3 +159,14 @@ The implementation of
.B ORCLOSE .B ORCLOSE
is to unlink the file after opening it, causing problems is to unlink the file after opening it, causing problems
in programs that try to access the file by name before it is closed. in programs that try to access the file by name before it is closed.
.PP
To avoid name conflicts with the underlying system,
.I open
and
.I create
are preprocessor macros defined as
.IR p9open
and
.IR p9create ;
see
.IR intro (3).