0_0_7257920_17964.c 0_0_7257920_17964.c(4) : error C2061: 语法错误 : 标识符“PlaceAble” 0_0_7257920_17964.c(4) : error C2059: 语法错误 : “;” 0_0_7257920_17964.c(4) : error C2059: 语法错误 : “类型”