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#ifndef _ICE40_H
#define _ICE40_H
#include <stdio.h>
#include <stdint.h>
typedef struct irw_file
FILE *f;
uint16_t crc;
uint32_t offset;
void *hook_data;
int (*read_hook)(void *data);
int (*write_hook)(void *data, uint8_t b);
struct irw_file *irw_open(const char *filename, const char *mode);
struct irw_file *irw_open_fake(void *hook_data,
int (*read_hook)(void *data),
int (*write_hook)(void *data, uint8_t b));
int irw_readb(struct irw_file *f);
int irw_writeb(struct irw_file *f, int c);
void irw_close(struct irw_file **f);
int ice40_patch(struct irw_file *f, struct irw_file *rom,
struct irw_file *o, uint32_t byte_count);
#endif /* _ICE40_H */