prom_close
#define booted_dev_close() ((void)prom_close(booted_dev_fd))
int (*prom_close)(int);
int prom_close(int);
prom_close(((struct saio_softc *)f->f_devdata)->sc_fd);
int prom_close(int);
prom_close(sc_fd);
prom_close(((struct rz_softc *)f->f_devdata)->sc_fd);
prom_close(fd);
prom_close(op->handle);
prom_close(handle);
prom_close(handle);
prom_close(handle);