FILE *real_fopen(const char *path, const char *mode);
void *real_mmap(void *addr, size_t length, int prot, int flags, int fd, off_t offset);
int real_read(int fd, void *buf, size_t count);
FILE *real_fopen(const char *path, const char *mode);
void *real_mmap(void *addr, size_t length, int prot, int flags, int fd, off_t offset);
int real_read(int fd, void *buf, size_t count);