smu_get_message_name
const char *message = smu_get_message_name(smu, msg);
smu_get_message_name(smu, msg));
smu_get_message_name(smu, msg), resp);
smu_get_message_name(smu, msg), index, param, reg, *read_arg);
smu_get_message_name(smu, msg), index, param, reg);