# File Descriptor API

- [API refernce](https://docs.qualcomm.com/doc/80-41102-2/topic/_doxygen_rst_file__doxygen_sources_include_le_fd_h.html#file-le-fd-h)

The File Descriptor (FD) service is intended as a helper to access file system resources.

## Available API

It offers the following file operations:

- open a resource with `le_fd_Open()`,
- close a resource with `le_fd_Close()`,
- read from a resource with `le_fd_Read()`,
- write to a resource with `le_fd_Write()`,
- manage I/O with `le_fd_Ioctl()`,
- duplicate a file descriptor with `le_fd_Dup()`,
- create a FIFO with `le_fd_MkFifo()`,
- manipulate a file descriptor with `le_fd_Fcntl()`.

Copyright (C) Sierra Wireless Inc.

Last Published: Jul 29, 2026

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