96 static void ia_init_rtn_q (IARTN_Q *que)   in ia_init_rtn_q()  argument
98    que->next = NULL;   in ia_init_rtn_q()
99    que->tail = NULL;   in ia_init_rtn_q()
102 static void ia_enque_head_rtn_q (IARTN_Q *que, IARTN_Q * data)   in ia_enque_head_rtn_q()  argument
105    if (que->next == NULL)   in ia_enque_head_rtn_q()
106       que->next = que->tail = data;  in ia_enque_head_rtn_q()
108       data->next = que->next;  in ia_enque_head_rtn_q()
109       que->next = data;  in ia_enque_head_rtn_q()
114 static int ia_enque_rtn_q (IARTN_Q *que, struct desc_tbl_t data) {  in ia_enque_rtn_q()  argument
120    if (que->next == NULL)   in ia_enque_rtn_q()
121       que->next = que->tail = entry;  in ia_enque_rtn_q()
123       que->tail->next = entry;  in ia_enque_rtn_q()
124       que->tail = que->tail->next;  in ia_enque_rtn_q()
129 static IARTN_Q * ia_deque_rtn_q (IARTN_Q *que) {  in ia_deque_rtn_q()  argument
131    if (que->next == NULL)  in ia_deque_rtn_q()
133    tmpdata = que->next;  in ia_deque_rtn_q()
134    if ( que->next == que->tail)    in ia_deque_rtn_q()
135       que->next = que->tail = NULL;  in ia_deque_rtn_q()
137       que->next = que->next->next;  in ia_deque_rtn_q()