__line__

好用的C C++ 日志宏 OutputDebugStringA 写到文件或界面

charszOutMsgFinal[10240]={0};\std::snprintf(szOutMsgFinal,sizeof(szOutMsgFinal),"[%s|%d]"fmt"\n",__func__,__LINE
小黄人软件·2023-11-14 18:52

C++笔记：宏的高级使用--##、__VA_ARGS__、__FILE__、__FUNCTION__

先说一下本文中会提到的内容：##，__VA_ARGS__，__FILE__，__LINE__，__FUNCTION__等宏变量：先举一个例子，会用到上面这些宏：[cpp]viewplaincopy#definemyprintf
wxh_无香花自开·2023-11-14 16:48

C语言预处理详解（预编译）

#undef4.命令行定义5.条件编译6.头文件的包含6.1头文件的包含方式6.2嵌套文件包含7.其他预处理指令1.预定义符号主要有：__FILE__，__LINE__,__TIME__,__DATE_
小羊byte·2023-11-10 00:59

驱动开发11-2 编写SPI驱动程序-点亮数码管

驱动程序#include#include#includeintm74hc595_probe(structspi_device*spi){printk("%s:%d\n",__FILE__,__LINE_
徐艺桐·2023-11-07 01:20

预处理以及定义

当前编译的文件路径__FUNCTION__//当前所在函数的函数名__DATE__//当前编译日期__TIME__//当前编译时间//以上格式占位符都用%s,如：printf("%s",__DATA__);__LINE
胡 胡 大 妞·2023-11-02 17:52

c语言语法——宏定义及其高级用法

带参宏可用于DEBUG调试#defineMYDEBUGprintf("ERRORin:%s,at:%s",__FILE__,__LINE__)
numYan·2023-10-28 13:57

程序的编译和链接

undef条件编译头文件包含在标准c的任何实现中，存在两种环境——翻译环境和执行环境翻译环境翻译环境生成目标文件（.obj)：linux下的测试预定义符号__FILE__   //进行编译的源文件__LINE
小C您好·2023-10-25 22:57

C语言函数调用错误信息打印

错误打印说明所需头文件PERROR()STRERROR()两个宏说明：__FILE__（左右各两个下划线未显示）__LINE__（左右各两个下划线未显示）其他函数：说明我的目的是在程序调用函数的时候，返回错误原因
将手伸向星空·2023-10-25 09:02

作业10.20TCP/UDP

include#include#include#include#include#include#include#defineMSG_ERR(msg)do{\fprintf(stderr,"line:%d",__LINE
小鱼儿fly·2023-10-20 20:55

3. C++调试时显示代码所在文件 / 函数 / 行号信息

2.简单说明__FILE__:用于获取当前语句所在源文件的文件名——func__:用于获取当前语句所在的函数名__LINE__:用于获取当前语句所在的行号位置使用时只需要将上述三个标识符当作参数进行传递即可
山间点烟雨·2023-10-11 09:49

结合数据库的方式完成用户注册，要求客户端输入账户密码，发送给服务器服务器接收到账户密码后，写入到数据库中不允许重复注册

include#include#include#include#include#include#include#defineERR_MAG(msg)do{\fprintf(stderr,"__%d__",__LINE
Luyee16·2023-10-09 10:06

10.1 | select实现服务器并发

include#include#include#include#include#include#include#defineERR_MSG(msg)do{\fprintf(stderr,"__%d__:",__LINE
YSTXDY·2023-10-08 23:52

aaaaa

include#include#include#include#include#include#include#defineERR_MAG(msg)do{\fprintf(stderr,"__%d__",__LINE
初次见面，接个吻好不好?·2023-10-08 21:45

网络编程day2.c

服务器#include#definePORT8888#defineIP"192.168.125.60"#defineERR_MSG(msg)do{\fprintf(stderr,"__%d__",__LINE
2301_78388097·2023-10-08 07:07

消息队列实现进程之间通信方式

1.snd源代码#include#defineERR_MSG(msg)do{\fprintf(stderr,"__%d__:",__LINE__);\perror(msg);\}while(0)typedefstruct
Han_2580·2023-10-07 07:30

10.1作业

include#include#include#include#include#include#include#defineERR_MSG(msg)do{\fprintf(stderr,"__%d__:",__LINE
奥沙利龙不会敲·2023-10-06 21:31

国庆作业 day 2

select实现服务器并发#include#defineERR_MSG(msg)do{\fprintf(stderr,"__%d__:",__LINE__);\perror(msg);\}while(0
OK来也·2023-10-06 20:41

select并发

#include#defineERR_MSG(msg)\do\{\fprintf(stderr,"__%d__:",__LINE__);\perror(msg);\}while(0)#defineIP"
SongJia_6·2023-10-06 19:08

TCPUDP

服务器#include#defineERR_MSG(msg)do{\fprintf(stderr,"__%d__:",__LINE__);\perror(msg);\}while(0)#definePORT8080
SongJia_6·2023-10-06 19:02

select实现服务器并发

include#include#include#include#include#include#include#defineERR_MSG(msg)do{\fprintf(stderr,"__%d__:",__LINE
一拳超人z·2023-10-06 18:01

10.5作业

不知道怎么搞成两列，一个单词中间还是空格卧槽难搞#include#include#include#include#defineERR_MSG(msg)do{\fprintf(stderr,"__%d__",__LINE
吃饱了犯困·2023-10-06 12:07

国庆作业day6

include#include#include#include#include#include#include#defineERR_MAG(msg)do{\fprintf(stderr,"__%d__",__LINE
敲不了一点儿·2023-10-05 14:49

2023/10/1 -- ARM

今日任务：select实现服务器并发ser.c：#include#defineERR_MSG(msg)do{\printf("%d\n",__LINE__);\perror(msg);\}while(0
小坤儿～·2023-10-04 13:54

【C语言】关于#define宏定义的预处理详解

预定义符号二、#define#define定义标识符宏定义后分号问题及解决方法带副作用的宏参数#define替换规则#和##的使用三、头文件包含两种方式一、预定义符号__FILE__//当前进行编译的源文件__LINE
HZ_ENG·2023-10-03 21:52

【day10.01】使用select实现服务器并发

用select实现服务器并发：linux@linux:~/study/1001$catserver.c#include#defineERR_MSG(msg)do{\printf("%d\n",__LINE
祥云飘飘CJL·2023-10-03 03:55

国庆作业 10月1 用select实现服务器并发

#include#defineERR_MSG(msg)\do\{\fprintf(stderr,"__%d__:",__LINE__);\perror(msg);\}while(0)#defineIP"
xcc7481·2023-10-02 22:38

2023年10月1日

select实现服务器并发#include#defineERR_MSG(msg)do{\fprintf(stderr,"__%d__:",__LINE__);\perror(msg);\}while(0
开元禾苗·2023-10-02 22:10

10.1select并发服务器以及客户端

服务器：#include//do-while只是为了不让花括号单独存在，并不循环#defineERR_MSG(msg)do{\fprintf(stderr,"%d:",__LINE__);\perror
zyy11hqyj23062·2023-10-02 15:17

10.1号作业

include#include#include#include#include#include#include#defineERR_MSG(msg)do{\fprintf(stderr,"__%d__:",__LINE
武271·2023-10-02 10:26

2023.9.23

argv[]){//创建流式套接字intcfd=socket(AF_INET,SOCK_STREAM,0);if(0==cfd){perror("socket");printf("__%d__\n",__LINE
路过的坏人·2023-10-02 10:38

国庆day1---消息队列实现进程之间通信方式代码，现象

snd：#include#defineERR_MSG(msg)do{\fprintf(stderr,"__%d__:",__LINE__);\perror(msg);\}while(0)typedefstruct
卍⊙卐·2023-10-02 05:39

国庆day2---select实现服务器并发

select.c：#include#defineERR_MSG(msg)do{\fprintf(stderr,"__%d__:",__LINE__);\perror(msg);\}while(0)#defineIP
卍⊙卐·2023-10-02 05:37

hwk1：消息队列实现进程之间通信方式代码，现象

send.c:#include#defineERR_MSG(msg)do{\fprintf(stderr,"__%d__\n",__LINE__);\perror(msg);\}while(0)typedefstructmsgbuf
wxmchong·2023-10-02 05:52

hwk2：select实现服务器并发

selectTcpSer.c:#include#defineERR_MSG(msg)do{\fprintf(stderr,"__%d__\n",__LINE__);\perror(msg);\}while
wxmchong·2023-10-02 05:50

国庆10.1

用select实现服务器并发ser#include#defineERR_MSG(msg)do{\fprintf(stderr,"__%d__",__LINE__);\perror(msg);\}while
Lychee---·2023-10-01 23:42

10.1 今日任务：select实现服务器并发

#include#defineERR_MSG(msg)do{\fprintf(stderr,"__%d__:",__LINE__);\perror(msg);\}while(0)#definePORT8888
JunCool02·2023-10-01 22:48

国庆作业2

select实现服务器并发代码：#include#defineERR_MSG(msg)do{\printf("%d\n",__LINE__);\perror(msg);\}while(0)#definePORT8888
戴佳伟菜逼·2023-10-01 20:00

select实现服务器并发

include#include#include#include#include#include#include#defineERR_MSG(msg)do{\fprintf(stderr,"__%d__:",__LINE
yjh666jhy·2023-10-01 18:14

国庆作业 day 10.1

使用select完成TCP并发服务器#include"myhead.h"#defineERR_MSG(msg)do{\printf("%d\n",__LINE__);\perror(msg);\}while
欸嘿HYL·2023-10-01 17:38

国庆第二天

#include#defineERR_MSG(msg)do{\fprintf(stderr,"__%d__",__LINE__);\perror(msg);\}while(0)#definePORT6666
也许t·2023-10-01 16:31

9.30消息队列实现进程之间通信方式代码，现象

服务端#include#defineERR_MSG(msg)do{\fprintf(stderr,"__%d__:",__LINE__);\perror(msg);\}while(0)typedefstruct
JunCool02·2023-10-01 03:16

消息队列实现进程之间通信方式

send.c#include#defineERR(msg)do{\fprintf(stderr,"__%d__:",__LINE__);\perror(msg);\}while(0);typedefstructmsgbuf
悲欣交集585·2023-09-30 21:11

【day9.30】消息队列实现进程间通信

write.clinux@linux:~/23062/930$catwrite.c#include#defineERR_MSG(msg)do{\fprintf(stderr,"__%d__:",__LINE
祥云飘飘CJL·2023-09-30 19:43

9.30号作业

1.消息队列实现进程间的通信服务端#include#defineERR_MSG(msg)do{\fprintf(stderr,"__%d__:",__LINE__);\perror(msg);\}while
武271·2023-09-30 17:47

网络编程day05（IO多路复用）

include#include#include#include#include#include#include#defineERR_MSG(msg)do{\fprintf(stderr,"__%d__",__LINE
吃饱了犯困·2023-09-28 10:57

#define定义宏(宏定义)

一、预定义符号__FILE__//进行编译的源文件__LINE__//文件当前的行号__DATE__//文件被编译的日期__TIME__//文件被编译的时间__STDC__//如果编译器遵循
Zzzz4725·2023-09-25 20:23

C语言#define宏定义及其相关注意事项详解

预处理过程预定义符号（两边分别是两个下划线）__FILE__//进行编译的源文`在这里插入代码片`件__LINE__//文件当前的行号__DATA__//文件被编译的日期__TIME__//文件被编译的时间
ONE_Day|·2023-09-25 20:53

#define定义标识符详解

0.预定义符号在讲解#define之前先给大家介绍几个预定义符号__FILE__   //进行编译的源文件__LINE__  //文件当前的行号__DATE__  //文件被编译的日期__TIME__  
小程序面包园·2023-09-25 20:49

0922hw

argv[]){//创建流式套接字intcfd=socket(AF_INET,SOCK_STREAM,0);if(0==cfd){perror("socket");printf("__%d__\n",__LINE
码不了一点·2023-09-24 23:28

sp对象引用计数打印

spoutBuffer;printf("tag,refcount=%d,function=%s:%d\n",outBuffer->getStrongCount(),__FUNCTION__,__LINE
Ed_Lannister·2023-09-21 09:28
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