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PERL Functions
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PERL fcntl Function
Syntax
fcntl FILEHANDLE, FUNCTION, SCALAR
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Definition and Usage
The Perl version of the system fcntl( ) function. Performs the function specified by
FUNCTION, using SCALAR on FILEHANDLE. SCALAR either contains a value to be
used by the function or is the location of any returned information.
Return Value
Example
Following are the usage...
use Fcntl;
fcntl($filehandle, F_GETFL, $packed_return_buffer)
or die "can't fcntl F_GETFL: $!";
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