1 files changed, 34 insertions, 0 deletions
diff --git a/include/io.h b/include/io.h
new file mode 100644
index 0000000..9813b85
--- /dev/null
+++ b/include/io.h
@@ -0,0 +1,34 @@
+#pragma once
+
+typedef struct io·Reader
+{
+    Iface impl;
+    int (*read)(void*, byte *buf, int n);
+} io·Reader;
+
+typedef struct io·ByteReader
+{
+    Iface impl;
+    int (*read)(void*, byte *buf, int n);
+    byte (*get)(void*);
+} io·ByteReader;
+
+typedef struct io·Writer
+{
+    Iface impl;
+    int (*write)(void*, byte *buf, int n);
+} io·Writer;
+
+typedef struct io·ReadWriter
+{
+    Iface impl;
+    int (*read)(void*, byte *buf, int n);
+    int (*write)(void*, byte *buf, int n);
+} io·ReadWriter;
+
+typedef enum io·SeekPos
+{
+    SEEK·set,
+    SEEK·cur,
+    SEEK·end,
+} io·SeekPos;