rshift
rshift(z, i);
rshift(b, i);
extern void rshift ANSI((Bigint*, int));
rshift(b, n);
rshift(b,n);
rshift(b,1);
rshift(Bigint *b, int k)
rshift(b1, 1);
rshift(rvb, 1);
rshift(rvb, -j);
rshift(b, bdif);
rshift(b, 1);
rshift(b, k);
rshift(rvb, j);
rshift(rvb, -j);
rshift(bb, -bb2);
rshift(ab, -abe);
int rshift=0,gshift=0,bshift=0,ashift=0,rcount=0,gcount=0,bcount=0,acount=0;
rshift = high_bit(mr)-7; rcount = bitcount(mr);
out[z++] = (uint8) shiftsigned(v & mr, rshift, rcount);