563074_0_0_16884.c 563074_0_0_16884.c(6) : error C2065: “i” : 未声明的标识符 563074_0_0_16884.c(7) : error C2059: 语法错误 : “return” 563074_0_0_16884.c(8) : error C2059: 语法错误 : “}”