1 files changed, 38 insertions, 0 deletions
diff --git a/lib/strftime.h b/lib/strftime.h
new file mode 100644
index 0000000..a984708
--- /dev/null
+++ b/lib/strftime.h
@@ -0,0 +1,38 @@
+/* declarations for strftime.c
+
+   Copyright (C) 2002, 2004, 2008-2022 Free Software Foundation, Inc.
+
+   This file is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation, either version 3 of the
+   License, or (at your option) any later version.
+
+   This file is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+#include <time.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Just like strftime, but with two more arguments:
+   POSIX requires that strftime use the local timezone information.
+   Use the timezone __TZ instead.  Use __NS as the number of
+   nanoseconds in the %N directive.
+
+   On error, set errno and return 0.  Otherwise, return the number of
+   bytes generated (not counting the trailing NUL), preserving errno
+   if the number is 0.  This errno behavior is in draft POSIX 202x
+   plus some requested changes to POSIX.  */
+size_t nstrftime (char *restrict, size_t, char const *, struct tm const *,
+                  timezone_t __tz, int __ns);
+
+#ifdef __cplusplus
+}
+#endif