ok?

tape.h

@@ -0,0 +1,24 @@
+#pragma once
+#include <stdio.h>
+
+typedef struct {
+    int reads;
+    int writes;
+    FILE* file;
+} tape;
+
+typedef struct {
+    void* location;
+    int length;
+    int capacity;
+} buffer;
+
+// sorts the entire buffer
+void quicksort(buffer* buff);
+
+// reads [capacity] records
+void read_buffer(buffer* buff, tape* tape);
+// writes everything
+void write_buffer(buffer* buff, tape* tape);
+
+void clear_tape(tape* tape);