0_0_33683408_24837.c 0_0_33683408_24837.c(3) : error C2061: 语法错误: 标识符“main” 0_0_33683408_24837.c(3) : error C2059: 语法错误:“;” 0_0_33683408_24837.c(3) : error C2059: 语法错误:“类型”