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+/* Formatted output to a stream.
+ Copyright (C) 2007, 2009-2022 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/>. */
+
+#if 1
+# include <config.h>
+#endif
+
+/* Specification. */
+#include <stdio.h>
+
+#include <stdarg.h>
+
+/* Print formatted output to standard output.
+ Return string length of formatted string. On error, return a negative
+ value. */
+int
+vprintf (const char *format, va_list args)
+{
+ return vfprintf (stdout, format, args);
+}