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#include "lib.h"
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#include <sys/stat.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <errno.h>
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#include "sys9.h"
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pid_t
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getpid(void)
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{
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	int n, f;
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	char pidbuf[15];
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	f = _OPEN("#c/pid", 0);
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	n = _READ(f, pidbuf, sizeof pidbuf);
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	if(n < 0)
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		_syserrno();
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	else
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		n = atoi(pidbuf);
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	_CLOSE(f);
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	return n;
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}