VLDC_MAX_PORTS
if (portno >= VLDC_MAX_PORTS) {
for (i = 0; i < VLDC_MAX_PORTS; i++) {
vldc_port_t port[VLDC_MAX_PORTS];
#define VLDC_MAX_MINORS VLDC_MAX_PORTS
#define VLDC_MINOR_MASK (VLDC_MAX_PORTS - 1)