Retrieves the list of group names of the bookmark for uri.
In the event the URI cannot be found, null is returned and error is set to G_BOOKMARK_FILE_ERROR_URI_NOT_FOUND.
The returned array is null terminated, so length may optionally be null.
a valid URI
a newly allocated null-terminated array of group names. Use glib.global.strfreev to free it.
Retrieves the list of group names of the bookmark for uri.
In the event the URI cannot be found, null is returned and error is set to G_BOOKMARK_FILE_ERROR_URI_NOT_FOUND.
The returned array is null terminated, so length may optionally be null.