1 #undef __P 2 #if defined (__STDC__) && __STDC__ 3 #define __P(args) args 4 #else 5 #define __P(args) () 6 #endif 7 8 void parse_long_options __P ((int _argc, char **_argv, 9 void (*_version) (void), 10 void (*_usage) (int))); 11