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typedef struct { int a; } VCR; typedef struct { VCR vcr[8]; } VCRC; typedef struct { char vcr; } OWN; OWN Own[16]; f (x, own) VCRC *x; OWN *own; { x[own->vcr / 8].vcr[own->vcr % 8].a--; x[own->vcr / 8].vcr[own->vcr % 8].a = x[own->vcr / 8].vcr[own->vcr % 8].a; }