Function proj_sys::proj_coordoperation_get_grid_used

pub unsafe extern "C" fn proj_coordoperation_get_grid_used(
    ctx: *mut PJ_CONTEXT, 
    coordoperation: *const PJ, 
    index: c_int, 
    out_short_name: *mut *const c_char, 
    out_full_name: *mut *const c_char, 
    out_package_name: *mut *const c_char, 
    out_url: *mut *const c_char, 
    out_direct_download: *mut c_int, 
    out_open_license: *mut c_int, 
    out_available: *mut c_int
) -> c_int