cJSON遍历Json数据的key

代码：

#include 
#include 

int main()
{
    const char* json_str = "{"A":22,"B":"1111111111","C":12345}";
    cJSON* item = cJSON_Parse(json_str);
    cJSON *node = NULL;
    node = item->child;
    
    while (node != NULL)
    {
        printf("%sn",node->string);
        node = node->next;
    }
    return 0;
}

运行结果如下：
A
B
C