Thanks for the posting advice and help, (window XP enviroment) Here's the error message below: 
C:\Perl\perlscripts>monks01.pl
Can't locate Win32/API.pm in @INC (@INC contains: C:/Perl/site/lib C:/
+Perl/lib .) at C:\Perl\perlscripts\monks01.pl line 5.
BEGIN failed--compilation aborted at C:\Perl\perlscripts\monks01.pl li
+ne 5.

[download]
code to follow: 
#! perl -w
#
use Win32;
use Win32::API;
my $SSC_OPEN = Win32::API->new( 'ssc-5', 'SSC_OPEN', '1', '2400', ); s
+ub SSC_OPEN { $SSC_OPEN->Call(@_); };

#

my $SSC_MOVE = Win32::API->new( 'ssc-5', 'SSC_MOVE', '1', '1', ); sub 
+SSC_MOVE { $SSC_MOVE->Call(@_); };

#

my $SSC_CLOSE = Win32::API->new( 'ssc-5', 'SSC_CLOSE', '', '', ); sub 
+SSC_CLOSE { $SSC_CLOSE->Call(@_); };

[download]

In reply to Re^4: Perl calling my.DLL for serial port work. by kansaschuck
in thread Perl calling my.DLL for serial port work. by kansaschuck

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