RTLD_SELF
#if defined(__SCO_VERSION__) || defined(_SCO_ELF) || (defined(__osf__) && !defined(RTLD_NEXT)) || (defined(__OpenBSD__) && !defined(RTLD_SELF)) || defined(__ANDROID__) || defined(__TANDEM)
tz_change_interval_p = dlsym(RTLD_SELF, tz_change_interval_sym);
handle == RTLD_SELF) {
handle == RTLD_SELF) { /* ... caller included */
if (handle == NULL || handle == RTLD_SELF) {