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#include <u.h>
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#include <libc.h>
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#include <fcall.h>
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#include <thread.h>
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#include <9p.h>
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#include "dat.h"
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#include "fns.h"
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#define	SIZE	1024
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#define	DOTDOT	(&fmt+1)
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int	chatty;
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void
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chat(char *fmt, ...)
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{
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	char buf[SIZE], *out;
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	va_list arg;
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	if (!chatty)
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		return;
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	va_start(arg, fmt);
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	out = vseprint(buf, buf+sizeof(buf), fmt, arg);
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	va_end(arg);
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	write(2, buf, (long)(out-buf));
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}
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void
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mchat(char *fmt, ...)
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{
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	char buf[SIZE], *out;
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	va_list arg;
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	va_start(arg, fmt);
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	out = vseprint(buf, buf+sizeof(buf), fmt, arg);
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	va_end(arg);
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	write(2, buf, (long)(out-buf));
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}
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void
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panic(char *fmt, ...)
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{
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	char buf[SIZE];
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	va_list arg;
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	int n;
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	n = sprint(buf, "%s %d: panic ", argv0, getpid());
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	va_start(arg, fmt);
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	vseprint(buf+n, buf+sizeof(buf)-n, fmt, arg);
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	va_end(arg);
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	fprint(2, "%s: %r\n", buf);
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	exits("panic");
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}