1 typedef struct bignum_st 2 { 3 BN_ULONG *d; /* Pointer to an array 4 'BN_BITS2' bit chunks. */ 5 int top; /* Index of last used 6 d +1. */ 7 /* The next are internal book keeping 8 for bn_expand. */ 9 int dmax; /* Size of the d array. */ 10 int neg; /* one if the number is 11 negative */ 12 int flags; 13 } BIGNUM;