天气预报15天查询> 其他> C语言怎么宏定义一个2维数组

C语言怎么宏定义一个2维数组

更新时间: 2020-10-03 00:00:00     

1、宏定义是C语言提供的三种预处理功能的其中一种;

2、C语言三种预处理有宏定义、文件包含、条件编译;

3、宏定义又称为宏代换、宏替换,简称宏,掌握宏概念的关键是换,一切以换为前提,做任何事情之前先要换,即在对相关命令或语句的含义和功能作具体分析之前就要换。

关键词: 语言 怎么 定义 一个

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-2724286/ | 耗时:0.1860 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=2724286 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2724286 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2724286 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1106250,1052819,1103739,1127909,1072699,1110301,1121640,1052445,1132233,1115451,1126644,1128579,1051711,1087593,1128049,1108165,1059969,1133085,1051375,1071641,278161,1080404,1092312,1062080,1098161,1043173,1072655,1495346,1125584,1092129) ORDER BY field (ArticleID,1106250,1052819,1103739,1127909,1072699,1110301,1121640,1052445,1132233,1115451,1126644,1128579,1051711,1087593,1128049,1108165,1059969,1133085,1051375,1071641,278161,1080404,1092312,1062080,1098161,1043173,1072655,1495346,1125584,1092129)