size_t *size, int *fd_ptr);
int adu_munmap(void *start, size_t length);
int adu_write_file(const char *filename, const void *buf, size_t size);
size_t *size, int *fd_ptr);
int adu_munmap(void *start, size_t length);
int adu_write_file(const char *filename, const void *buf, size_t size);