should be it

external/duckdb/third_party/libpg_query/include/pgtime.hpp

@@ -0,0 +1,77 @@
+/*-------------------------------------------------------------------------
+ *
+ * pgtime.h
+ *	  PostgreSQL internal timezone library
+ *
+ * Portions Copyright (c) 1996-2017, PostgreSQL Global Development PGGroup
+ *
+ * IDENTIFICATION
+ *	  src/include/pgtime.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#pragma once
+
+#include <cstdint>
+
+/*
+ * The API of this library is generally similar to the corresponding
+ * C library functions, except that we use pg_time_t which (we hope) is
+ * 64 bits wide, and which is most definitely signed not unsigned.
+ */
+
+typedef int64_t pg_time_t;
+
+struct pg_tm
+{
+	int			tm_sec;
+	int			tm_min;
+	int			tm_hour;
+	int			tm_mday;
+	int			tm_mon;			/* origin 1, not 0! */
+	int			tm_year;		/* relative to 1900 */
+	int			tm_wday;
+	int			tm_yday;
+	int			tm_isdst;
+	long int	tm_gmtoff;
+	const char *tm_zone;
+};
+
+typedef struct pg_tz pg_tz;
+typedef struct pg_tzenum pg_tzenum;
+
+/* Maximum length of a timezone name (not including trailing null) */
+#define TZ_STRLEN_MAX 255
+
+/* these functions are in localtime.c */
+
+struct pg_tm *pg_localtime(const pg_time_t *timep, const pg_tz *tz);
+struct pg_tm *pg_gmtime(const pg_time_t *timep);
+int pg_next_dst_boundary(const pg_time_t *timep,
+					 long int *before_gmtoff,
+					 int *before_isdst,
+					 pg_time_t *boundary,
+					 long int *after_gmtoff,
+					 int *after_isdst,
+					 const pg_tz *tz);
+bool pg_interpret_timezone_abbrev(const char *abbrev,
+							 const pg_time_t *timep,
+							 long int *gmtoff,
+							 int *isdst,
+							 const pg_tz *tz);
+bool pg_get_timezone_offset(const pg_tz *tz, long int *gmtoff);
+const char *pg_get_timezone_name(pg_tz *tz);
+bool pg_tz_acceptable(pg_tz *tz);
+
+/* these functions and variables are in pgtz.c */
+
+pg_tz *session_timezone;
+pg_tz *log_timezone;
+
+void pg_timezone_initialize(void);
+pg_tz *pg_tzset(const char *tzname);
+pg_tz *pg_tzset_offset(long gmtoffset);
+
+pg_tzenum *pg_tzenumerate_start(void);
+pg_tz *pg_tzenumerate_next(pg_tzenum *dir);
+void pg_tzenumerate_end(pg_tzenum *dir);