Function ekucec_c 

pub unsafe extern "C" fn ekucec_c(
    handle: SpiceInt,
    segno: SpiceInt,
    recno: SpiceInt,
    column: *mut ConstSpiceChar,
    nvals: SpiceInt,
    vallen: SpiceInt,
    cvals: *const c_void,
    isnull: SpiceBoolean,
)