95 static void ia_init_rtn_q (IARTN_Q *que)   in ia_init_rtn_q()  argument
97    que->next = NULL;   in ia_init_rtn_q()
98    que->tail = NULL;   in ia_init_rtn_q()
101 static void ia_enque_head_rtn_q (IARTN_Q *que, IARTN_Q * data)   in ia_enque_head_rtn_q()  argument
104    if (que->next == NULL)   in ia_enque_head_rtn_q()
105       que->next = que->tail = data;  in ia_enque_head_rtn_q()
107       data->next = que->next;  in ia_enque_head_rtn_q()
108       que->next = data;  in ia_enque_head_rtn_q()
113 static int ia_enque_rtn_q (IARTN_Q *que, struct desc_tbl_t data) {  in ia_enque_rtn_q()  argument
119    if (que->next == NULL)   in ia_enque_rtn_q()
120       que->next = que->tail = entry;  in ia_enque_rtn_q()
122       que->tail->next = entry;  in ia_enque_rtn_q()
123       que->tail = que->tail->next;  in ia_enque_rtn_q()
128 static IARTN_Q * ia_deque_rtn_q (IARTN_Q *que) {  in ia_deque_rtn_q()  argument
130    if (que->next == NULL)  in ia_deque_rtn_q()
132    tmpdata = que->next;  in ia_deque_rtn_q()
133    if ( que->next == que->tail)    in ia_deque_rtn_q()
134       que->next = que->tail = NULL;  in ia_deque_rtn_q()
136       que->next = que->next->next;  in ia_deque_rtn_q()