#include <stdio.h>

// PNG File Struct
struct PNG_FILE_STRUCT {
	unsigned char file_sig[8];
	int file_width;
	int file_height;
	int bit_depth;
	int color_type;
	int compression_method;
	int filter_method;
	int interlace_method;
};

extern const long png_signature[8];

int check_header_length(unsigned char *addr, long offset);
int check_file_header(char *addr);
int create_cc_file(unsigned char *addr, unsigned long file_length);
unsigned char* file_to_char_array(FILE *in_file, size_t* size);