alnumARG *ap  = (alnumARG *)argp;
const alnumARG *ap = (const alnumARG *)argp;
static void *Copy_AlphaNumeric_Type(const void *argp){  alnumARG *ap  = (alnumARG *)argp;  alnumARG *new = (alnumARG *)malloc(sizeof(alnumARG));  if (new)    *new = *ap;  return ((void *)new);}