481316_0_0_11397.c 481316_0_0_11397.c(4) : error C2061: 语法错误 : 标识符“cal” 481316_0_0_11397.c(4) : error C2059: 语法错误 : “;” 481316_0_0_11397.c(4) : error C2059: 语法错误 : “类型”