Function SecKeychainItemModifyContent 

pub unsafe extern "C-unwind" fn SecKeychainItemModifyContent(
    item_ref: &SecKeychainItem,
    attr_list: *const SecKeychainAttributeList,
    length: u32,
    data: *const c_void,
) -> i32

👎Deprecated:

renamed to SecKeychainItem::modify_content

Available on crate features SecBase and SecKeychainItem only.