加载CA证书失败 sl_Connect error -456
//
//configure the socket with GOOGLE CA certificate - for server verification
//
lRetVal = sl_SetSockOpt(iSockID, SL_SOL_SOCKET, \
SL_SO_SECURE_FILES_CA_FILE_NAME, \
SL_SSL_CA_CERT_FILE_NAME, \
strlen(SL_SSL_CA_CERT_FILE_NAME));
请问谁有这方面的Demo供参考?谢谢!