use MyCode::ProcessC( "DataType::Class" );

##</code><code>##

package MyCode::ProcessC;
use strict;
sub import {
    if(  2 != @_  ) {
        require Carp;
        Carp::croak( 'Usage: use ',__PACKAGE__,
            '( "DataType::Class" )' );
    }
    my( $self, $class )= @_;
    for my $meth (  qw( process_c )  ) {
        no strict 'refs';
        *{$class."::".$meth}= \&$meth;
    }
}