prom_getoption
prom_getoption("screen-#rows", prop, sizeof prop) == 0)
prom_getoption("screen-#columns", prop, sizeof prop) == 0)
int prom_getoption(const char *, char *, int);
if (prom_getoption(prop, propval, sizeof propval) != 0 ||
if (prom_getoption("local-mac-address?", buf, sizeof buf) != 0 ||
prop = (prom_getoption("diag-switch?", buf, sizeof buf) != 0 ||
if (prom_getoption(prop, storage, sizeof storage) != 0)
maxrow = (prom_getoption("screen-#rows", buf, sizeof buf) != 0)
prom_getoption("screen-#rows", prop, sizeof prop) == 0)
prom_getoption("screen-#columns", prop, sizeof prop) == 0)
if (prom_getoption("input-device", buf, sizeof buf) == 0 &&
if (prom_getoption("output-device", buf, sizeof buf) == 0 &&
if (prom_getoption("input-device", buf, sizeof buf) == 0 &&
if (prom_getoption("output-device", buf, sizeof buf) == 0 &&