WSAEADDRNOTAVAIL (10049) Cannot assign requested address. The requested address is not valid in its context. Normally results from an attempt to bind to an address that is not valid for the local machine, or connect/sendto an address or port that is not valid for a remote machine (e.g. port 0). 请求地址无效。
List of WinSock 2 Error Messages
ID: Q199485
LPVOID lpMsgBuf;
FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
GetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
(LPTSTR) &lpMsgBuf,
0,
NULL
);
// Process any inserts in lpMsgBuf.
// ...
// Display the string.
MessageBox((LPCTSTR)lpMsgBuf);
// Free the buffer.
LocalFree( lpMsgBuf );