void adjust_xy (short *, short *); struct adjust_template { short kx_x; short kx_y; short kx; short kz; }; static struct adjust_template adjust = {0, 0, 1, 1}; main () { short x = 1, y = 1; adjust_xy (&x, &y); if (x != 1) abort (); exit (0); } void adjust_xy (x, y) short *x; short *y; { *x = adjust.kx_x * *x + adjust.kx_y * *y + adjust.kx; }