create file handles

unravel_file_load

UHandle *unravel_file_load(char *path);

unravel_file_save

UHandle *unravel_file_save(char *path);

unravel_file_size

uint64 unravel_file_size(UHandle *handle);

unravel_file_position_set

void unravel_file_position_set(UHandle *handle, uint64 pos);

unravel_file_position_get

uint64 unravel_file_position_get(UHandle *handle);