private String getDataTypePrefix(DataType dataType) {
		dataType = getBaseDataType(dataType);
		if (dataType instanceof Structure) {
			return "struct ";
		}
		else if (dataType instanceof Union) {
			return "union ";
		}
		else if (dataType instanceof Enum) {
			return "enum ";
		}
		return "";
	}
Writes the data type as ANSI-C using the underlying writer.
@param dt the data type to write as ANSI-C
@param monitor the task monitor
@throws IOException if there is an exception writing the output
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/data/DataTypeWriter.java