frexpl
g = frexpl(x, &m);
x = frexpl( x, &i );
s = frexpl( s, &lx );
long double frexpl(long double, int *); /* fundamentally !__pure2 */
xs = frexpl(x, &ex);
ys = frexpl(y, &ey);
zs = frexpl(z, &ez);
__weak_reference(frexp, frexpl);
long double (frexpl)(long double x, int *e) { n_long_double++; }