This function looks for a key file named file in the paths
returned from g_get_user_data_dir() and g_get_system_data_dirs(),
loads the file into key_file and returns the file's full path in
full_path. If the file could not be loaded then an error is
set to either a GFileError or GKeyFileError
This function looks for a key file named file in the paths returned from g_get_user_data_dir() and g_get_system_data_dirs(), loads the file into key_file and returns the file's full path in full_path. If the file could not be loaded then an error is set to either a GFileError or GKeyFileError