screen_get_device_property_llv()

Updated: October 26, 2022

Retrieve the current value of the specified device property of type long long integer

Synopsis:

#include <screen/screen.h>
int screen_get_device_property_llv(screen_device_t dev,
                                   int pname,
                                   long long *param)

Arguments:

dev
The handle of the device whose property is being queried.
pname
The name of the property whose value is being queried. The properties available for query are of type Screen property types.
param
The buffer where the retrieved value is stored. This buffer must be of type long long.

Library:

libscreen

Description:

Function Type: Flushing Execution

This function stores the current value of a device property in a user-provided buffer. The values of the following properties can be queried using this function:

Returns:

0 if successful, or -1 if an error occurred (errno is set; refer to errno.h for more details).