--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/druntime/import/stdc/posix/sys/uio.d	Wed Nov 12 00:19:18 2008 +0100
@@ -0,0 +1,65 @@
+/**
+ * D header file for POSIX.
+ *
+ * Copyright: Public Domain
+ * License:   Public Domain
+ * Authors:   Sean Kelly
+ * Standards: The Open Group Base Specifications Issue 6, IEEE Std 1003.1, 2004 Edition
+ */
+module stdc.posix.sys.uio;
+
+private import stdc.posix.config;
+public import stdc.posix.sys.types; // for ssize_t, size_t
+
+extern (C):
+
+//
+// Required
+//
+/*
+struct iovec
+{
+    void*  iov_base;
+    size_t iov_len;
+}
+
+ssize_t // from stdc.posix.sys.types
+size_t  // from stdc.posix.sys.types
+
+ssize_t readv(int, in iovec*, int);
+ssize_t writev(int, in iovec*, int);
+*/
+
+version( linux )
+{
+    struct iovec
+    {
+        void*  iov_base;
+        size_t iov_len;
+    }
+
+    ssize_t readv(int, in iovec*, int);
+    ssize_t writev(int, in iovec*, int);
+}
+else version( darwin )
+{
+    struct iovec
+    {
+        void*  iov_base;
+        size_t iov_len;
+    }
+
+    ssize_t readv(int, in iovec*, int);
+    ssize_t writev(int, in iovec*, int);
+}
+else version( freebsd )
+{
+    struct iovec
+    {
+        void*  iov_base;
+        size_t iov_len;
+    }
+
+    ssize_t readv(int, in iovec*, int);
+    ssize_t writev(int, in iovec*, int);
+}