Function ballistics_calculate_trajectory 

#[unsafe(no_mangle)]
pub extern "C" fn ballistics_calculate_trajectory(
    inputs: *const FFIBallisticInputs,
    wind: *const FFIWindConditions,
    atmosphere: *const FFIAtmosphericConditions,
    max_range: c_double,
    step_size: c_double,
) -> *mut FFITrajectoryResult