/// <summary>
/// Helper function to match a given data blob within the value of a
/// PLIST_DATA node.
/// </summary>
/// <param name="datanode">
/// node of type PLIST_KEY
/// </param>
/// <param name="cmpval">
/// data blob to match
/// </param>
/// <param name="n">
/// size of data blob passed in cmpval
/// </param>
/// <returns>
/// 1 if the node's value contains the given data blob
/// or 0 if not.
/// </returns>
public virtual int plist_data_val_contains(PlistHandle datanode, ref char cmpval, uint n)
{
return(PlistNativeMethods.plist_data_val_contains(datanode, ref cmpval, n));
}