C实现两个json的合并

#include 
#include 

cJSON *cjson_link(char *J1, char *J2)
{
    cJSON *root1 = cJSON_Parse(J1);
    cJSON *root2 = cJSON_Parse(J2);
    cJSON *res_root = cJSON_CreateObject();

    cJSON *item1 = root1->child;
    cJSON *item2 = root2->child;

    while(item1)
    {
        cJSON_AddStringToObject(res_root, item1->string, item1->valuestring);
        item1 = item1->next;
    }

    while(item2)
    {
        cJSON_AddStringToObject(res_root, item2->string, item2->valuestring);
        item1 = item1->next;
    }

    cJSON_Delete(root1);
    cJSON_Delete(root2);

    return res_root;
}

int main()
{
    char json1[64] = "{\"name\":\"kunkun\",\"id\":\"123456\"}";
    char json2[64] = "{\"score\":\"90\",\"address\":\"127.0.0.1\"}";

    cJSON *student = cjson_link(json1, json2);

    char *out = cJSON_Print(student);
    printf("%s\n",out);
    free(out);

    cJSON_Delete(student);
    return 0;
}