int
dbl_to_sgl_fcnvxf(
			dbl_integer *srcptr,
			unsigned int *nullptr,
			sgl_floating_point *dstptr,
			unsigned int *status)
int
dbl_to_sgl_fcnvxf(
			dbl_integer *srcptr,
			unsigned int *_nullptr,
			sgl_floating_point *dstptr,
			unsigned int *status)