conf_with_sub.json

{
	"name": "test",
	"struct": {
		"name": "hello",
		"member": [
			{ "key": "foo", "type": "int",    "req": true, "min": 1, "max": 128, "near": true },
			{ "key": "bar", "type": "int",    "req": true, "max": 128 },
			{ "key": "boo", "type": "bool",   "req": false },
			{ "key": "str", "type": "char *", "req": true },
			{ "key": "arr", "type": "double", "req": true , "array": 4, "mlen": 2, "min": 1 },
			{ "key": "han", "type": "float",  "req": false },
			{ "key": "st1", "type": "struct", "req": true, "name": "struct1" },
			{ "key": "st2", "type": "struct", "req": true, "name": "struct2" }
		],
		"substruct": [
			{
				"name": "struct1",
				"member": [
					{ "key": "foo", "type": "int",    "req": true, "min": 1, "max": 128, "near": true },
					{ "key": "boo", "type": "bool",   "req": false },
					{ "key": "st2", "type": "struct", "req": true, "name": "struct2" }
				]
			}, {
				"name": "struct2",
				"member": [
					{ "key": "bar", "type": "int",    "req": true, "max": 128 },
					{ "key": "str", "type": "char *", "req": true }
				]
			}
		]
	}
}