unsigned int
dbl_fsqrt(
	    dbl_floating_point *srcptr,
	    unsigned int *nullptr,
	    dbl_floating_point *dstptr,
	    unsigned int *status)
unsigned int
dbl_fsqrt(
	    dbl_floating_point *srcptr,
	    unsigned int *_nullptr,
	    dbl_floating_point *dstptr,
	    unsigned int *status)