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