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-rw-r--r--lib/sys/io.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/sys/io.h b/lib/sys/io.h
new file mode 100644
index 0000000..3048ebe
--- /dev/null
+++ b/lib/sys/io.h
@@ -0,0 +1,11 @@
+#ifndef IO_H
+#define IO_H
+
+#include "write.h"
+#include "read.h"
+
+#define STDIN_FD 0
+#define STDOUT_FD 1
+#define STDERR_FD 2
+
+#endif