28 lines
		
	
	
	
		
			368 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			28 lines
		
	
	
	
		
			368 B
		
	
	
	
		
			C
		
	
	
	
	
	
| #include <stdio.h>
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| 
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| int main()
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| {
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|    int a;
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|    int *b;
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|    int *c;
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| 
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|    a = 42;
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|    b = &a;
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|    c = NULL;
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| 
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|    printf("%d\n", *b);
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| 
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|    if (b == NULL)
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|       printf("b is NULL\n");
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|    else
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|       printf("b is not NULL\n");
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| 
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|    if (c == NULL)
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|       printf("c is NULL\n");
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|    else
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|       printf("c is not NULL\n");
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| 
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|    return 0;
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| }
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| 
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| /* vim: set expandtab ts=4 sw=3 sts=3 tw=80 :*/
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