int res;
double UA;
calceph_sopen("example1.dat");
res = calceph_sgetconstant("UA",&UA);
if (res)
{
printf("astronomical unit=%23.16E\n", UA);
}
int res;
double UA;
calceph_sopen("example1.dat");
res = calceph_sgetconstant("UA",&UA);
if (res)
{
printf("astronomical unit=%23.16E\n", UA);
}