--- /dev/null
+#include "hd.h"
+
+int InitInt10(hd_data_t *, int);
+int CallInt10(int *ax, int *bx, int *cx, unsigned char *buf, int len, int cpuemu);
+int CallInt13(int *ax, int *bx, int *cx, int *dx, unsigned char *buf, int len, int cpuemu);
+void FreeInt10(void);