836214_0_0_29059.c 836214_0_0_29059.c(4) : error C2059: 语法错误 : “类型” 836214_0_0_29059.c(5) : error C2065: “n” : 未声明的标识符 836214_0_0_29059.c(6) : error C2065: “i” : 未声明的标识符 836214_0_0_29059.c(8) : error C2065: “b” : 未声明的标识符