for (i = 0; i < xbt_dynar_length(keys); i++) {
char *thiskey = xbt_dynar_get_as(keys, i, char*);
unsigned long int thislen = (unsigned long int) strlen(thiskey);
for (i = 0; i < xbt_dynar_length(keys); i++) {
char *thiskey = xbt_dynar_get_as(keys, i, char*);
unsigned long int thislen = (unsigned long int) strlen(thiskey);