Function spice_sys::sphcyl_c

pub unsafe extern "C" fn sphcyl_c(
    radius: c_double, 
    colat: c_double, 
    slon: c_double, 
    r: *mut c_double, 
    lon: *mut c_double, 
    z: *mut c_double
)

converts from spherical to cylindrical coordinates.