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2025-08-25 09:50:30 +08:00
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+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+
+#ifndef SDL_time_c_h_
+#define SDL_time_c_h_
+
+#include "SDL_internal.h"
+
+#define SDL_SECONDS_PER_DAY 86400
+
+/* Given a calendar date, returns days since Jan 1 1970, and optionally
+ * the day of the week (0-6, 0 is Sunday) and day of the year (0-365).
+ */
+extern Sint64 SDL_CivilToDays(int year, int month, int day, int *day_of_week, int *day_of_year);
+
+extern void SDL_GetSystemTimeLocalePreferences(SDL_DateFormat *df, SDL_TimeFormat *tf);
+
+#endif // SDL_time_c_h_