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#include "lib.h"
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#include <errno.h>
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#include <unistd.h>
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#include "sys9.h"
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pid_t
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fork(void)
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{
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	int n;
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	n = _RFORK(RFENVG|RFFDG|RFPROC);
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	if(n < 0)
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		_syserrno();
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	if(n == 0) {
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		_detachbuf();
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		_sessleader = 0;
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	}
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	return n;
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}