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#include "lib.h"
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#include <stddef.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 <string.h>
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#include <stdio.h>
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#include "sys9.h"
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#include "dir.h"
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char*
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getcwd(char *buf, size_t len)
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{
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	int fd;
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	fd = _OPEN(".", OREAD);
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	if(fd < 0) {
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		errno = EACCES;
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		return 0;
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	}
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	if(_FD2PATH(fd, buf, len) < 0) {
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		errno = EIO;
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		_CLOSE(fd);
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		return 0;
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	}
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	_CLOSE(fd);
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/* RSC: is this necessary? */
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	if(buf[0] == '\0')
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		strcpy(buf, "/");
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	return buf;
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}