irs_irp_read_response
code = irs_irp_read_response(pvt, text, sizeof text);
int result = irs_irp_read_response(pvt, text, textlen);
code = irs_irp_read_response(pvt->girpdata, text, sizeof text);
code = irs_irp_read_response(pvt->girpdata, text, sizeof text);
code = irs_irp_read_response(pvt->girpdata, text, sizeof text);
code = irs_irp_read_response(pvt->girpdata, text, sizeof text);
int irs_irp_read_response(struct irp_p *pvt, char *text, size_t textlen);
code = irs_irp_read_response(pvt->girpdata, text, sizeof text);
code = irs_irp_read_response(pvt->girpdata, text, sizeof text);
int irs_irp_read_response(struct irp_p *, char *, size_t);