1e41f4b71Sopenharmony_ci# RawFileDescriptor 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci 4e41f4b71Sopenharmony_ci## Overview 5e41f4b71Sopenharmony_ci 6e41f4b71Sopenharmony_ciDefines the file descriptor of a rawfile. 7e41f4b71Sopenharmony_ci 8e41f4b71Sopenharmony_ci**RawFileDescriptor** is an output parameter of [OH_ResourceManager_GetRawFileDescriptor()](rawfile.md#oh_resourcemanager_getrawfiledescriptor). It contains the file descriptor of a raw file and the start position and length of the raw file in the HAP. 9e41f4b71Sopenharmony_ci 10e41f4b71Sopenharmony_ci**Since**: 8 11e41f4b71Sopenharmony_ci 12e41f4b71Sopenharmony_ci**Related module**: [Rawfile](rawfile.md) 13e41f4b71Sopenharmony_ci 14e41f4b71Sopenharmony_ci 15e41f4b71Sopenharmony_ci## Summary 16e41f4b71Sopenharmony_ci 17e41f4b71Sopenharmony_ci 18e41f4b71Sopenharmony_ci### Member Variables 19e41f4b71Sopenharmony_ci 20e41f4b71Sopenharmony_ci| Name| Description| 21e41f4b71Sopenharmony_ci| -------- | -------- | 22e41f4b71Sopenharmony_ci| int [fd](#fd) | File descriptor of the rawfile, in int. | 23e41f4b71Sopenharmony_ci| long [start](#start) | Start position of the rawfile in the HAP, in long. | 24e41f4b71Sopenharmony_ci| long [length](#length) | Length of the rawfile in the HAP, in long. | 25e41f4b71Sopenharmony_ci 26e41f4b71Sopenharmony_ci 27e41f4b71Sopenharmony_ci## Member Variable Description 28e41f4b71Sopenharmony_ci 29e41f4b71Sopenharmony_ci 30e41f4b71Sopenharmony_ci### fd 31e41f4b71Sopenharmony_ci 32e41f4b71Sopenharmony_ci``` 33e41f4b71Sopenharmony_ciint RawFileDescriptor::fd 34e41f4b71Sopenharmony_ci``` 35e41f4b71Sopenharmony_ci**Description** 36e41f4b71Sopenharmony_ciFile descriptor of the rawfile, in int. 37e41f4b71Sopenharmony_ci 38e41f4b71Sopenharmony_ci 39e41f4b71Sopenharmony_ci### length 40e41f4b71Sopenharmony_ci 41e41f4b71Sopenharmony_ci``` 42e41f4b71Sopenharmony_cilong RawFileDescriptor::length 43e41f4b71Sopenharmony_ci``` 44e41f4b71Sopenharmony_ci**Description** 45e41f4b71Sopenharmony_ciLength of the rawfile in the HAP, in long. 46e41f4b71Sopenharmony_ci 47e41f4b71Sopenharmony_ci 48e41f4b71Sopenharmony_ci### start 49e41f4b71Sopenharmony_ci 50e41f4b71Sopenharmony_ci``` 51e41f4b71Sopenharmony_cilong RawFileDescriptor::start 52e41f4b71Sopenharmony_ci``` 53e41f4b71Sopenharmony_ci**Description** 54e41f4b71Sopenharmony_ciStart position of the rawfile in the HAP, in long. 55