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_declspec(dllexport)
int getss(char * s)
{
strcpy(s, "ABC");
return strlen(s);
}
[DllImport("CC.dll", EntryPoint = "getss", CallingConvention = CallingConvention.Cdecl)]
public static extern int getss( StringBuilder s);
static void Main(string[] args)
{
StringBuilder s = new StringBuilder();
s.Append("");
//Console.WriteLine(getii(10));
Console.WriteLine("{0}长度",getss(s));
Console.WriteLine(s);
Console.ReadKey();
}