458300_0_0_28924.c 458300_0_0_28924.c(9) : error C2143: 语法错误 : 缺少“;”(在“类型”的前面) 458300_0_0_28924.c(12) : error C2065: “s” : 未声明的标识符 458300_0_0_28924.c(13) : error C2065: “s1” : 未声明的标识符