Retrieve the current value of the specified display property of type void*.
#include <screen/screen.h>
int screen_get_display_property_pv(screen_display_t disp, int pname, void **param)
The handle of the display whose property is being queried.
The name of the property whose value is being queried. The properties available for query are of type Screen property types.
The buffer where the retrieved value(s) will be stored. This buffer must be of type void*.
Function Type: Flushing Execution
This function stores the current value of a display property in a user-provided buffer.
0 if a query was successful and the value(s) of the property are stored in param, or -1 if an error occurred (errno is set).