* plugins.d/mandos-client.c (raise_privileges, raise_privileges_permanently, lower_privileges, lower_privileges_permanently, bring_up_interface, take_down_interface, ): Change return type and all errno-containing variables to type "int". (get_flags): Change all errno-containing variables to type "int". (main): Change all errno-containing variables to type "int", except for values which are explicitly of type error_t.