devctl_ddef_string
(void) devctl_ddef_string(ddef_hdl, pname, tmp);
(void) devctl_ddef_string(ddef_hdl, "compatible", nd_compat);
status = devctl_ddef_string(ddef_hdl, "compatible",
(void) devctl_ddef_string(ddef_hdl, "compatible", "i2c-at24c64");
(void) devctl_ddef_string(ddef_hdl, "compatible", compatible);
(void) devctl_ddef_string(ddef_hdl, "device_type", "seeprom");
if (devctl_ddef_string(ddef_hdl, "zonename", zone_name) == -1) {
devctl_ddef_string(devctl_ddef_t ddef_hdl, char *, char *);