Its got nothing to do with "subroutines being recognized", you got
undef, that is all.
If you want more help post code that reproduces the problem, a Short, Self Contained, Compilable, Example like
#!/usr/bin/perl --
use strict;
use warnings;
use diagnostics;
Main( @ARGV );
exit( 0 );
sub Main {
my $fb = Foo::Bar(3);
$fb++;
print "$fb\n";
}
sub Foo::Bar {
my( $i , $eeb ) = @_;
return $eeb + $i;
}
__END__
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