0_0_39839907_21726.c 0_0_39839907_21726.c(44) : error C2061: 语法错误: 标识符“position_to_coordinates” 0_0_39839907_21726.c(44) : error C2059: 语法错误:“;” 0_0_39839907_21726.c(44) : error C2059: 语法错误:“类型”