1 typedef struct str { short x, y;} S;
2 
3 static short
bar(short ch,short sl,short sr,short tl,short tr)4 bar (short ch, short sl, short sr, short tl, short tr)
5 {
6   return 0;
7 }
8 
9 void
foo(short ch,S * pi,short nc,S * po)10 foo (short ch, S *pi, short nc, S *po)
11 {
12   short clo, chi, lo, hi;
13 
14   po->x = bar (ch, clo, chi, pi[lo].x, pi[hi].x);
15   po->y = bar (ch, clo, chi, pi[lo].y, pi[hi].y);
16 }
17