# if defined(PERL_REENTR_API) && (PERL_REENTR_API+0 == 1)
# undef localtime
# if !defined(localtime) && LOCALTIME_R_PROTO == REENTRANT_PROTO_S_TS
-# define localtime(a) (localtime_r(a, &PL_reentrant_buffer->_localtime_struct) ? &PL_reentrant_buffer->_localtime_struct : 0)
+# define localtime(a) (L_R_TZSET localtime_r(a, &PL_reentrant_buffer->_localtime_struct) ? &PL_reentrant_buffer->_localtime_struct : 0)
# endif /* if defined(PERL_REENTR_API) && (PERL_REENTR_API+0 == 1) */
# if !defined(localtime) && LOCALTIME_R_PROTO == REENTRANT_PROTO_I_TS
-# define localtime(a) (localtime_r(a, &PL_reentrant_buffer->_localtime_struct) == 0 ? &PL_reentrant_buffer->_localtime_struct : 0)
+# define localtime(a) (L_R_TZSET localtime_r(a, &PL_reentrant_buffer->_localtime_struct) == 0 ? &PL_reentrant_buffer->_localtime_struct : 0)
# endif /* if defined(PERL_REENTR_API) && (PERL_REENTR_API+0 == 1) */
# endif /* HAS_LOCALTIME */
#endif /* HAS_LOCALTIME_R */