+ ret = strtoul(rnet_decfile_get_header_field(decfile, "in_ret"), NULL, 10);
+
+ if (!strcmp(exerc, "2014")) {
+ header_size = RNET_HEADER_SIZE_2014;
+ header_head = RNET_HEADER_HEAD_2014;
+ header_tail = RNET_HEADER_TAIL_2014;
+ } else if (!strcmp(exerc, "2013")) {
+ header_size = RNET_HEADER_SIZE_2013;
+ header_head = RNET_HEADER_HEAD_2013;
+ header_tail = RNET_HEADER_TAIL_2013;
+ } else {
+ return -EINVAL;
+ }
+
+ /* This was already checked at parse time. */
+ if (strlen (header) != header_size)
+ abort ();