--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/io.h	Fri Sep 01 22:33:41 2017 +0200
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2017 Guido Berhoerster <guido+pwm@berhoerster.name>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef	IO_H
+#define	IO_H
+
+#include <libtecla.h>
+#include <stdarg.h>
+
+enum io_status {
+	IO_OK,
+	IO_EOF = -1,
+	IO_ERROR = -2,
+	IO_TRUNCATED = -3,
+	IO_SIGNAL = -4,
+	IO_PASSWORD_EMPTY = -5,
+	IO_PASSWORD_MISMATCH = -6
+};
+
+int		io_gl_complete_nothing(WordCompletion *, void *, const char *,
+    int);
+enum io_status	io_get_char(const char *, int *);
+enum io_status	io_get_line(GetLine *, const char *, int, const char *, int,
+    size_t, char *);
+enum io_status	io_get_password(const char *, const char *, size_t, char *);
+enum io_status	io_dputs(int, const char *);
+enum io_status	io_vdprintf(int, const char *, va_list);
+enum io_status	io_dprintf(int, const char *, ...);
+enum io_status	io_printf(const char *, ...);
+
+#endif /* !IO_H */