-extern void LegicRfSimulate(void);
-extern void LegicRfReader(int bytes, int offset);
+#include "proxmark3.h" //
+#include "apps.h"
+#include "util.h" //
+#include "string.h"
+#include "legic_prng.h" // legic PRNG impl
+#include "crc.h" // legic crc-4
+#include "ticks.h" // timers
+
+#define LEGIC_READ 0x01
+#define LEGIC_WRITE 0x00
+
+extern void LegicRfSimulate(int phase, int frame, int reqresp);
+extern int LegicRfReader(int offset, int bytes, int iv);
+extern void LegicRfWriter(int offset, int bytes, int iv);
+extern void LegicRfRawWriter(int address, int data, int iv);
+
+uint32_t get_key_stream(int skip, int count);
+void frame_send_tag(uint16_t response, uint8_t bits, uint8_t crypt);
+void frame_sendAsReader(uint32_t data, uint8_t bits);
+
+int ice_legic_select_card();
+void ice_legic_setup();