0_0_20319429_10805.c 0_0_20319429_10805.c(3) : error C2061: 语法错误: 标识符“SUN” 0_0_20319429_10805.c(3) : error C2059: 语法错误:“;” 0_0_20319429_10805.c(3) : error C2059: 语法错误:“类型”