504342_0_0_8884.c 504342_0_0_8884.c(8) : error C2143: 语法错误 : 缺少“;”(在“类型”的前面) 504342_0_0_8884.c(9) : error C2065: “ret” : 未声明的标识符 504342_0_0_8884.c(10) : error C2065: “ret2” : 未声明的标识符