12 lines
		
	
	
	
		
			253 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			12 lines
		
	
	
	
		
			253 B
		
	
	
	
		
			C
		
	
	
	
	
	
| /* $Header$ */
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| isatty(f)
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| {
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| 	char buf[128];
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| 	/* not a sgttyb struct; it might not be large enough;
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| 	   I know for a fact that it is'nt large enough on PC/IX,
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| 	   where gtty is an ioctl(..., TCGETA, ...)
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| 	*/
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| 
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| 	if (gtty(f, buf) < 0) return 0;
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| 	return 1;
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| }
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