0_0_35799238_24947.c 0_0_35799238_24947.c(5) : error C2061: 语法错误: 标识符“canPlace” 0_0_35799238_24947.c(5) : error C2059: 语法错误:“;” 0_0_35799238_24947.c(5) : error C2059: 语法错误:“类型”