1 files changed, 12 insertions, 0 deletions
diff --git a/src/stdio/_IONBF.h b/src/stdio/_IONBF.h
new file mode 100644
index 00000000..215bf26b
--- /dev/null
+++ b/src/stdio/_IONBF.h
@@ -0,0 +1,12 @@
+#define _IONBF                                                               (3)
+
+/** no buffering **/
+
+/***
+is used as the ARGUMENT(mode) in calls to FUNCTION(setvbuf) to indicate that
+a stream should be unbuffered.
+***/
+
+/*
+STDC(1)
+*/