C#程序调用DLL中的非托管函数的问题
C#如何调用dll里面的extern "C" int _stdcall db_encrypt(char *in, char *out, int size);
是[DllImport("data_api.dll")]
public static extern int db_encrypt(out char input,out char output,int size)还是
public static extern int db_encrypt(string input,string output,int size)?
对C++不熟.