hostaddr={(IPADDR0 << 8) | IPADDR1,(IPADDR2 << 8) | IPADDR3)};
//以下省略
//------------------------------------------------------------
编译后出现如下问题:
*** ERROR C231 IN LINE 5 OF MAIN.C: 'uip_hostaddr': redefinition
*** ERROR C141 IN LINE 5 OF MAIN.C: syntax error near ')'
//------------------------------------------------------------