_magMul10
private fn
ubyte _magMul10(ref ubyte[16] mag) @safe pure nothrow @nogcMultiplies a big-endian magnitude by 10 in place; returns the carry.
ubyte _magMul10(ref ubyte[16] mag) @safe pure nothrow @nogcMultiplies a big-endian magnitude by 10 in place; returns the carry.