1# RawFileDescriptor64 2 3## Overview 4 5Defines the file descriptor of a large rawfile. **RawFileDescriptor64** is an output parameter of [OH_ResourceManager_GetRawFileDescriptor64](capi-raw-file-h.md#oh_resourcemanager_getrawfiledescriptor64). It contains the file descriptor of a rawfile and the start position and length of the rawfile in the HAP. 6 7**Since**: 11 8 9**Related module**: [rawfile](capi-rawfile.md) 10 11**Header file**: [raw_file.h](capi-raw-file-h.md) 12 13## Summary 14 15### Member Variables 16 17| Name| Description| 18| -- | -- | 19| int fd | File descriptor of the rawfile, in int.| 20| int64_t start | Start position of the rawfile in the HAP, in int64_t.| 21| int64_t length | Length of the rawfile in the HAP, in int64_t.| 22