/*
 * call-seq:
 *   Post >> in_port -> boolean
 *
 * Etablish a connection between the first compatible output port of this 
 * post plugin instance to the given input port.
 * The other port may be of class PostPort, VideoPort or AudioPort.
 * If another port plugin is given, the first compatible port combination
 * found is wired together.
 * Returns true, if rewireing was successful.
 */

static VALUE p_wire(VALUE self, VALUE otherport_) {