pub unsafe extern "C" fn spkaps_c(
targ: SpiceInt,
et: SpiceDouble,
ref_: *const c_char,
abcorr: *const c_char,
stobs: *mut ConstSpiceDouble,
accobs: *mut ConstSpiceDouble,
starg: *mut SpiceDouble,
lt: *mut SpiceDouble,
dlt: *mut SpiceDouble,
)