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extern char *argv0;
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#define ARGBEGIN for((argv0? 0: (argv0=*argv)),argv++,argc--;\
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argv[0] && argv[0][0]=='-' && argv[0][1];\
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argc--, argv++) {\
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char *_args, *_argt;\
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Rune _argc;\
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_args = &argv[0][1];\
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if(_args[0]=='-' && _args[1]==0){\
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argc--; argv++; break;\
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}\
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_argc = 0;\
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while(*_args && (_args += chartorune(&_argc, _args)))\
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switch(_argc)
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#define ARGEND SET(_argt);USED(_argt); USED(_argc); USED(_args);}USED(argv); USED(argc);
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#define ARGF() (_argt=_args, _args="",\
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(*_argt? _argt: argv[1]? (argc--, *++argv): 0))
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#define ARGC() _argc
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#define EARGF(x) (_argt=_args, _args="",\
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(*_argt? _argt: argv[1]? (argc--, *++argv): (x, (char*)0)))
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