|  | RT-Thread RTOS
    An open source embedded real-time operating system | 
#include <rttypes.h>
| Data Fields | |
| struct rt_list_node * | next | 
| struct rt_list_node * | prev | 
Double List structure
| struct rt_list_node* rt_list_node::next | 
point to next node.
| struct rt_list_node* rt_list_node::prev | 
point to prev node.