parport_pc_read_status
if (!(parport_pc_read_status(pb) & 0x01))
parport_pc_read_status(pb);
r = parport_pc_read_status(pb);
r = parport_pc_read_status(pb);
.read_status = parport_pc_read_status,
#define parport_read_status(p) parport_pc_read_status(p)