1 files changed, 12 insertions, 0 deletions
diff --git a/lib/libc/stdio/vdprintf.c b/lib/libc/stdio/vdprintf.c
new file mode 100644
index 00000000..66a041cc
--- /dev/null
+++ b/lib/libc/stdio/vdprintf.c
@@ -0,0 +1,12 @@
+#include <io.h>
+#include <stdio.h>
+
+int vdprintf(int fildes, const char *restrict format, va_list ap)
+{
+	int r;
+	FILE f;
+	f.fd = fildes;
+	f.type = _IONBF;
+	r = vfprintf(&f, format, ap);
+	return r;
+}