Returns the values associated with @key under @group_name as
booleans.
If @key cannot be found then %NULL is returned and @error is set to
#G_KEY_FILE_ERROR_KEY_NOT_FOUND. Likewise, if the values associated
with @key cannot be interpreted as booleans then %NULL is returned
and @error is set to #G_KEY_FILE_ERROR_INVALID_VALUE.
the values associated with the key as a list of booleans, or %NULL if the
key was not found or could not be parsed. The returned list of booleans
should be freed with g_free() when no longer needed.
Returns the values associated with @key under @group_name as booleans.
If @key cannot be found then %NULL is returned and @error is set to #G_KEY_FILE_ERROR_KEY_NOT_FOUND. Likewise, if the values associated with @key cannot be interpreted as booleans then %NULL is returned and @error is set to #G_KEY_FILE_ERROR_INVALID_VALUE.