int bsplitstrcb (const_bstring str, const_bstring splitStr, int pos, * int (* cb) (void * parm, int ofs, int len), void * parm) * * Iterate the set of disjoint sequential substrings over str divided by the * substring splitStr. An empty splitStr causes the whole str to be * iterated once. * * Note: Non-destructive modification of str from within the cb function * while performing th