strcpy(nodeptr->iconv_name, iconv_n);
datum = tsearch(nodeptr, &encoding_mapping, node_compare);
if ((datum == NULL) || (*datum != nodeptr)) {
strcpy(nodeptr->iconv_name, iconv_n);
datum = tsearch(nodeptr, &encoding_mapping, node_compare);
if ((datum == NULL) || (*datum != nodeptr)) {