62 	fifonode_t *fn = xmalloc(sizeof (fifonode_t));  in fifo_add()  local
64 	fn->fn_data = data;  in fifo_add()
65 	fn->fn_next = NULL;  in fifo_add()
68 		f->f_head = f->f_tail = fn;  in fifo_add()
70 		f->f_tail->fn_next = fn;  in fifo_add()
71 		f->f_tail = fn;  in fifo_add()
79 	fifonode_t *fn;  in fifo_remove()  local
82 	if ((fn = f->f_head) == NULL)  in fifo_remove()
85 	data = fn->fn_data;  in fifo_remove()
86 	if ((f->f_head = fn->fn_next) == NULL)  in fifo_remove()
89 	free(fn);  in fifo_remove()
105 	fifonode_t *fn = f->f_head;  in fifo_free()  local
111 	while (fn) {  in fifo_free()
112 		(*freefn)(fn->fn_data);  in fifo_free()
114 		tmp = fn;  in fifo_free()
115 		fn = fn->fn_next;  in fifo_free()
125 	fifonode_t *fn;  in fifo_len()  local
128 	for (i = 0, fn = f->f_head; fn; fn = fn->fn_next, i++);  in fifo_len()
142 	fifonode_t *fn;  in fifo_iter()  local
146 	for (fn = f->f_head; fn; fn = fn->fn_next) {  in fifo_iter()
147 		if ((rc = iter(fn->fn_data, arg)) < 0)  in fifo_iter()