libgpiod misc interfaces

group misc

Various libgpiod-related functions.

Functions

bool gpiod_is_gpiochip_device(const char *path)

Check if the file pointed to by path is a GPIO chip character device.

Parameters:

path – Path to check.

Returns:

True if the file exists and is either a GPIO chip character device or a symbolic link to one.

const char *gpiod_api_version(void)

Get the API version of the library as a human-readable string.

Returns:

A valid pointer to a human-readable string containing the library version. The pointer is valid for the lifetime of the program and must not be freed by the caller.