scc

simple c99 compiler
git clone git://git.simple-cc.org/scc
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0186-dec_ary.c (264B)

      1 struct node {
      2 	int index;
      3 };
      4 
      5 struct node nodes[2];
      6 
      7 int
      8 main(void)
      9 {
     10 	int d = 1, c;
     11 
     12 	d = 1;
     13 	c = nodes[--d].index++;
     14 	if (d != 0 || nodes[0].index != 1)
     15 		return 1;
     16 
     17 	d = -1;
     18 	c = nodes[++d].index--;
     19 	if (d != 0 || nodes[0].index != 0)
     20 		return 2;
     21 
     22 	return 0;
     23 }