size_t tree_json(AutoTree tree, char *writeTo, size_t writeToSize);
AutoTree tree
Tree to transfer
char *writeTo
JSON string write to address
size_t writeToSize
Maxium length of writeTo
size_t tree_json(AutoTree tree, char *writeTo, size_t writeToSize);
AutoTree tree
待转换的树
char *writeTo
写入JSON字符串的地址
size_t writeToSize
JSON字符串最大长度