AcquireCredentialsHandleA

function AcquireCredentialsHandleA(

  pszPrincipal: PSecChar;

  pszPackage: PSecChar;

  fCredentialUse: Cardinal;

  pvLogonId: Pointer;

  pAuthData: Pointer;

  pGetKeyFn: SEC_GET_KEY_FN;

  pvGetKeyArgument: Pointer;

  phCredential: PCredHandle;

  var ptsExpiry: TTimeStamp

):SECURITY_STATUS;