GIR

Input:

      <function name="get_string_list" c:identifier="test_get_string_list">
        <return-value transfer-ownership="full">
          <array length="1" zero-terminated="1" c:type="gchar**">
            <type name="utf8"/>
          </array>
        </return-value>
        <parameters>
          <parameter name="key" transfer-ownership="none">
            <type name="utf8" c:type="const gchar*"/>
          </parameter>
          <parameter name="length"
                     direction="out"
                     caller-allocates="0"
                     transfer-ownership="full"
                     optional="1"
                     allow-none="1">
            <type name="gsize" c:type="gsize*"/>
          </parameter>
        </parameters>
      </function>

Output:

[CCode (array_length = true, array_length_pos = 1.1, array_length_type = "gsize", array_null_terminated = true, cheader_filename = "test.h")]
public static string[] get_string_list (string key);