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-rw-r--r--include/stdio_ext.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/include/stdio_ext.h b/include/stdio_ext.h
new file mode 100644
index 00000000..b090cab6
--- /dev/null
+++ b/include/stdio_ext.h
@@ -0,0 +1,27 @@
+#ifndef _STDIO_EXT_H
+#define _STDIO_EXT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define FSETLOCKING_QUERY 0
+#define FSETLOCKING_INTERNAL 1
+#define FSETLOCKING_BYCALLER 2
+
+void _flushlbf(void);
+int __fsetlocking(FILE *, int);
+int __fwriting(FILE *);
+int __freading(FILE *);
+int __freadable(FILE *);
+int __fwritable(FILE *);
+int __flbf(FILE *);
+size_t __fbufsize(FILE *);
+size_t __fpending(FILE *);
+int __fpurge(FILE *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif