#include <sys/types.h>

typedef struct buffer {
    unsigned char *buff;
    unsigned char *buffptr;
    unsigned char *buffend;
    unsigned char *matchBegin;
} Buffer, *BufferPtr;

typedef struct {
    unsigned char* file_mmap;
    off_t size;
} st_mmap_t;

extern st_mmap_t createSt_mmap(char* filename, int fd);
extern Buffer createBuffer(st_mmap_t st_mmap);