9 lines
		
	
	
	
		
			132 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			9 lines
		
	
	
	
		
			132 B
		
	
	
	
		
			C
		
	
	
	
	
	
| int
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| rename(from, to)
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| 	char *from, *to;
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| {
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| 	(void) unlink(to);
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| 	if (link(from, to) < 0) return -1;
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| 	(void) unlink(from);
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| 	return 0;
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| }
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