8 lines
		
	
	
	
		
			81 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			8 lines
		
	
	
	
		
			81 B
		
	
	
	
		
			C
		
	
	
	
	
	
| #include <errno.h>
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| plock(op)
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| {
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| 	extern int errno;
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| 
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| 	errno = EPERM;
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| 	return -1;
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| }
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