I need to be able to call some C functions inside a package that I have wrote. I cannot seem to figure out how to embed the C code in a perl package, as all the examples I can find of Inline::C are just plain old scripts. I have been able to properly link to external C libraries and include header files in a normal script and get it working. Here is what I have so far: 
package PIC::DevaSysI2CIO;
use strict;
use Inline C => Config =>
    LIBS => "-LE:/drivers/usb/devasys_i2cio -lusbi2cio",
    INC => "-IE:/drivers/usb/devasys_i2cio",
    BUILD_NOISY => 1;
use Inline C;

sub new {
    my ($class_name) = @_;
    
    my ($self) = {};
    
    bless($self, $class_name);
    
    return $self;
}

sub open_device {
    h = openDevice();
}

1;

__END__
__C__

#include <windows.h>
#include "Usbi2cio.h"

HANDLE openDevice()
{
    HANDLE h = INVALID_HANDLE_VALUE;
    h = DAPI_OpenDeviceInstance("UsbI2cio", 0);
    return h;
}

[download]
When I test the package in a separate perl script, I get the following: Bareword "C" not allowed while "strict subs" in use at E:/lib/Perl/lib/PIC/DevaSysI2CIO.pm line 7. Compilation failed in require at E:\sandbox\test.pl line 2. BEGIN failed--compilation aborted at E:\sandbox\test.pl line 2. Thank you.

In reply to Using Inline::C in a package by rem45acp

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.