Queue.h

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/*************************************
*   Queue.h
**************************************/
#ifndef __QUEUE_H__
#define __QUEUE_H__



#define ENQUEUEPACKET(_Head, _Tail,_Packet) \
do                      \
{                                               \
    if (!_Head) {                           \
            _Head = _Packet;                \
        }                   \
    else {                                  \
            (_Tail)->next = _Packet;    \
        }                                       \
    (_Packet)->next = NULL;         \
    _Tail = _Packet;                        \
}while(0)
#define DEQUEUEPACKET(Head, Tail )              \
do                      \
{   if(Head)            \
    {                                            \
        if (!Head->next) {                      \
            Tail = NULL;                    \
        }                                       \
        Head = Head->next;                      \
    }       \
}while(0)
#endif  //__QUEUE_H__