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#include <u.h>
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#include <libc.h>
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Rune*
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runevseprint(Rune *buf, Rune *e, char *fmt, va_list args)
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{
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	Fmt f;
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	if(e <= buf)
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		return nil;
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	f.runes = 1;
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	f.start = buf;
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	f.to = buf;
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	f.stop = e - 1;
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	f.flush = nil;
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	f.farg = nil;
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	f.nfmt = 0;
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	f.args = args;
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	dofmt(&f, fmt);
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	*(Rune*)f.to = '\0';
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	return f.to;
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}
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