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-rw-r--r--man/man3/tzset.33
1 files changed, 3 insertions, 0 deletions
diff --git a/man/man3/tzset.3 b/man/man3/tzset.3
index 701cebee5f..87a4504c7e 100644
--- a/man/man3/tzset.3
+++ b/man/man3/tzset.3
@@ -278,6 +278,9 @@ and
.I tm_zone
members of the broken-down time structure
.BR tm (3type).
+.SH BUGS
+Since this function does not report errors,
+there's no way to know if the value of TZ represents a valid time zone.
.SH SEE ALSO
.BR date (1),
.BR gettimeofday (2),