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bool | gpiod_is_gpiochip_device (const char *path) |
| Check if the file pointed to by path is a GPIO chip character device.
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const char * | gpiod_api_version (void) |
| Get the API version of the library as a human-readable string.
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Various libgpiod-related functions.
◆ gpiod_api_version()
const char * gpiod_api_version |
( |
void |
| ) |
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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.
◆ gpiod_is_gpiochip_device()
bool gpiod_is_gpiochip_device |
( |
const char * |
path | ) |
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Check if the file pointed to by path is a GPIO chip character device.
- Parameters
-
- Returns
- True if the file exists and is either a GPIO chip character device or a symbolic link to one.