1 files changed, 22 insertions, 0 deletions
diff --git a/lib.h b/lib.h
new file mode 100644
index 0000000..bebc1df
--- /dev/null
+++ b/lib.h
@@ -0,0 +1,22 @@
+#ifndef LIB_H
+#define LIB_H
+
+#include <stdbool.h>
+#include <stdlib.h>
+
+typedef struct State
+{
+  // Sandpiles
+  unsigned char *data;
+  size_t dwidth;
+
+  size_t window_len;
+  int multiplier;
+
+  bool thread_alive;
+} state_t;
+
+bool load_from_file(state_t *state, const char *filepath);
+bool write_to_file(state_t *state, const char *filepath);
+
+#endif