diff --git a/libc/include/sys/socketcalls.h b/libc/include/sys/socketcalls.h
new file mode 100644
index 0000000..c74f463
--- /dev/null
+++ b/libc/include/sys/socketcalls.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+#ifndef _SYS_SOCKETCALLS_H_
+#define _SYS_SOCKETCALLS_H_
+
+/* socketcalls by number */
+
+#define SYS_SOCKET      1               /* sys_socket(2)                */
+#define SYS_BIND        2               /* sys_bind(2)                  */
+#define SYS_CONNECT     3               /* sys_connect(2)               */
+#define SYS_LISTEN      4               /* sys_listen(2)                */
+#define SYS_ACCEPT      5               /* sys_accept(2)                */
+#define SYS_GETSOCKNAME 6               /* sys_getsockname(2)           */
+#define SYS_GETPEERNAME 7               /* sys_getpeername(2)           */
+#define SYS_SOCKETPAIR  8               /* sys_socketpair(2)            */
+#define SYS_SEND        9               /* sys_send(2)                  */
+#define SYS_RECV        10              /* sys_recv(2)                  */
+#define SYS_SENDTO      11              /* sys_sendto(2)                */
+#define SYS_RECVFROM    12              /* sys_recvfrom(2)              */
+#define SYS_SHUTDOWN    13              /* sys_shutdown(2)              */
+#define SYS_SETSOCKOPT  14              /* sys_setsockopt(2)            */
+#define SYS_GETSOCKOPT  15              /* sys_getsockopt(2)            */
+#define SYS_SENDMSG     16              /* sys_sendmsg(2)               */
+#define SYS_RECVMSG     17              /* sys_recvmsg(2)               */
+
+#endif /* _SYS_SOCKETCALLS_H_ */