split main.c in several places, began work on design doc

1 files changed, 7 insertions, 0 deletions

diff --git a/err.h b/err.h
new file mode 100644
index 0000000..312795d
--- /dev/null
+++ b/err.h
@@ -0,0 +1,7 @@
+#ifndef ERR_H
+#define ERR_H
+
+void perr(const char *s);
+void efatal(const char *s);
+
+#endif