The RAS_PPP_ATCP_RESULT structure is used to report the result of an AppleTalk protocol projection operation for a port. Windows NT version 4.0 does not use this structure.
typedef struct _RAS_PPP_ATCP_RESULT {
DWORD dwError;
WCHAR wszAddress[ RAS_ATADDRESSLEN + 1 ];
} RAS_PPP_ATCP_RESULT;