package
Math::Simple;
$VERSION = '1.23';

use base 'Exporter';
@EXPORT_OK = qw(add subtract);
use strict;

use Inline C => 'DATA',
           VERSION => '1.23',
           NAME => 'Math::Simple';

1;

__DATA__
__C__
int add (int x, int y) {
    return x + y;
}

int subtract (int x, int y) {
    return x - y;
}