diff --git a/src/cmd/upas/nfs/a.h b/src/cmd/upas/nfs/a.h
new file mode 100644
index 00000000..d565b028
--- /dev/null
+++ b/src/cmd/upas/nfs/a.h
@@ -0,0 +1,41 @@
+#include <u.h>
+#include <libc.h>
+#include <bio.h>
+#include <auth.h>
+#include <thread.h>
+#include <fcall.h>
+#include <plumb.h>
+#include <9p.h>
+
+enum
+{
+	STACK = 8192
+};
+
+#include "box.h"
+#include "sx.h"
+#include "imap.h"
+#include "fs.h"
+
+void		mailthreadinit(void);
+void		mailthread(void (*fn)(void*), void*);
+
+void		warn(char*, ...);
+
+#define esmprint smprint
+#define emalloc(n) mallocz(n, 1)
+#define erealloc realloc
+#define estrdup strdup
+
+enum
+{
+	NoEncoding,
+	QuotedPrintable,
+	Base64,
+};
+
+char*	decode(int, char*, int*);
+char*	tcs(char*, char*);
+char*	unrfc2047(char*);
+
+extern Imap *imap;