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#include <u.h>
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#include <libc.h>
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#include "fmtdef.h"
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int
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vfprint(int fd, char *fmt, va_list args)
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{
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	Fmt f;
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	char buf[256];
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	int n;
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	fmtfdinit(&f, fd, buf, sizeof(buf));
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	VA_COPY(f.args,args);
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	n = dofmt(&f, fmt);
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	VA_END(f.args);
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	if(n > 0 && __fmtFdFlush(&f) == 0)
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		return -1;
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	return n;
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}