解决办法:

在 extern void sqlcxt (void **, unsigned int *,struct sqlexd *, const struct sqlcxp *);前面增加extern “C”即可.例如:

extern "C" extern void sqlcxt (void **, unsigned int *,
struct sqlexd *, const struct sqlcxp *);

打开安装程序 client   ->   adminstration

安装完成后,就有proc了