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#include "lib.h"
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#include "sys9.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include <stdlib.h>
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#include "dir.h"
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int
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chown(const char *path, uid_t owner, gid_t group)
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{
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	int num;
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	Dir d;
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	_nulldir(&d);
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	/* find owner, group */
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	d.uid = nil;
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	num = owner;
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	if(!_getpw(&num, &d.uid, 0)) {
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		errno = EINVAL;
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		return -1;
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	}
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	d.gid = nil;
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	num = group;
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	if(!_getpw(&num, &d.gid, 0)) {
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		errno = EINVAL;
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		return -1;
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	}
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	if(_dirwstat(path, &d) < 0){
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		_syserrno();
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		return -1;
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	}
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	return 0;
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}