/* Subtract two Big Numbers. Please note, all "out" Big number arguments should be properly initialized by calling to BigNumInit() or BigNumFromBin() functions. */
BOOLEAN EFIAPI BigNumSub(IN CONST VOID *BnA, IN CONST VOID *BnB, OUT VOID *BnRes)
/* Subtract two Big Numbers. Please note, all "out" Big number arguments should be properly initialized by calling to BigNumInit() or BigNumFromBin() functions. */
BOOLEAN EFIAPI BigNumSub(IN CONST VOID *BnA, IN CONST VOID *BnB, OUT VOID *BnRes)
{
  return (BOOLEAN)BN_sub (BnRes, BnA, BnB);
}