int cg_enable_everywhere(CGroupMask supported, CGroupMask mask, const char *p);
int cg_mask_supported(CGroupMask *ret);
+int cg_mask_from_string(const char *s, CGroupMask *ret);
+int cg_mask_to_string(CGroupMask mask, char **ret);
int cg_kernel_controllers(Set *controllers);