__line__

libevent源码学习-第三天

我们需要知道以下几个常用宏：__func__，指明当前执行的函数名；__FILE__,指明当前执行的文件；__LINE__,指明当前执行程序所在的行号。
zhoushuaiyin·2023-08-28 07:04

【Day4】网络编程

include#include#include#include#include#include#defineERR_MSG(msg)do{\fprintf(stderr,"line:%d:%s%s\n",__LINE
qq_46036277·2023-08-24 14:31

【Day2】网络编程

include#include#include#include#include#include#defineERR_MSG(msg)do{\fprintf(stderr,"line:%d:%s%s\n",__LINE
qq_46036277·2023-08-24 14:30

【Day3】网络编程

include#include#include#include#include#include#defineERR_MSG(msg)do{\fprintf(stderr,"line:%d:%s%s\n",__LINE
qq_46036277·2023-08-24 14:30

【C/C++】可变参数列表

风格不定参使用函数调用时参数的压栈顺序及内存使用三、C++风格不定参数的使用一、可变参数宏（VA_ARGS__）#include//...表示不定参数列表，__VA_ARGS__是宏，代表不定参数列表部分//__FILE__宏代表:文件名//__LINE
翻转的乌龟·2023-08-19 09:54

8.16 IO多路复用——select的TCP服务器/客户端

include#include#include#include#include#include#include#defineERR_MSG(msg)do{\fprintf(stderr,"__%d__",__LINE
不知名大学生L·2023-08-16 18:04

IO模型-----＞Ubuntu

head.h文件#ifndef__HEAD_H__#define__HEAD_H__#defineERR_MSG(msg)do{\fprintf(stderr,"__%d__:",__LINE__);\
ck钉钉钉·2023-08-16 05:20

嵌入式C语言自定义printf打印log

ANSIC标准中的预定义宏（也是常用的）：__LINE__：在代码中插入当前行号__func__：在代码中插入当前行所在的函数的函数名__FILE__：在代码中插入当前文件的文件名__DATE__：在代码中插入当前编译的日期
软件架构师-叶帅·2023-08-15 15:36

【网络编程】Day3 UDP

include/*--------------------UDP服务器端---------------------*/#defineERR_MSG(msg)do{\fprintf(stderr,"_%d_",__LINE
wangxiasun·2023-08-13 23:36

网络编程_Day03支持上传和下载文件的UDP客户端-tftp协议

include#include#include#include#include#include#include#defineERR_MSG(msg)do{\fprintf(stderr,"line:%d",__LINE
涯决·2023-08-13 23:05

gdb修改寄存器的值，以修改执行

/a.outBreakpoint2,0x0000000000400570inmain()attest.cpp:33printf("%d\n",__LINE__);(gdb)p$
502203305·2023-08-13 18:52

iOS 日志打印宏定义

do{\fprintf(stderr,"%s\n",\[[[NSStringstringWithUTF8String:__FILE__]lastPathComponent]UTF8String],\__LINE
iOneWay·2023-08-13 12:07

C语言__LINE__和#line学习

这是ANSIC预定义的，__LINE__，包含当前行号，一个十进制常量；#line指令用于改变__LINE__的内容；先看一下VC6控制台程序，printf这行是第五行，输出了5；使用#line重新定义了行号
bcbobo21cn·2023-08-11 12:18

网络编程--day4

1.广播--接收端#include#defineERR_(err){perror(err);\fprintf(stderr,"%d",__LINE__);}#defineDK8888#defineIP"
笑嘻嘻123·2023-08-08 08:15

网络编程--day5

#include#defineERR_(err){perror(err);\fprintf(stderr,"__%d__\n",__LINE__);}#definePORT8888#defineIP"192.168.122.50
笑嘻嘻123·2023-08-08 08:15

C/C++可变参数列表

函数调用时参数的压栈顺序及内存使用使用不定参模拟实现printfC++风格不定参数的使用可变参数宏–VA_ARGS#include//...表示不定参，__VA_ARGS__使用不定参//__FILE__文件名//__LINE
阿浩啊z·2023-08-08 04:59

IO模型之epoll实现服务器客户端收发

include#include#include#include#include#include#include#include#defineERR_MSG(msg)\{\printf("__%d__\n",__LINE
Olivia_vivi·2023-08-07 13:27

【C语言】预处理详解

和##2.5带副作用的宏参数2.6宏和函数对比2.7命名约定3#undef4命令行定义5条件编译6文件包含6.1头文件被包含的方式6.2嵌套文件包含1预定义符号__FILE__//进行编译的源文件__LINE
字节连结·2023-08-06 23:57

1.如何求多个int的最大值，2.git如何将master推到其他分支

;intr=0;for(intd:res){r=qMax(r,d);}returnr;}使用qDebug()<<__LINE__<
氺月洞天·2023-08-06 14:09

动态开点线段树的模板

_inline____attribute__((always_inline))#defineDEBUGfprintf(stderr,"RunningonLine%dinFunction%s\n",__LINE
黑夜和白天·2023-08-05 23:07

C语言之#define以及预处理详讲解

预定义符号：__FILE__//进行编译的源文件__LINE__//文件当前的行号__DATE__//文
W…Y·2023-08-04 07:41

电子词典项目

include#include#include#include#include#defineERR_MSG(msg)do{\perror(msg);\printf("line:__%d__\n",__LINE
Y_mqm·2023-08-02 23:36

epoll实现TCP服务器和客户端收发数据

#include#include#include#include#include#include#include#defineERR_MSG(msg)do{\printf("line:%d\n",__LINE
嘀咕嘀咕yo·2023-08-02 17:23

C语言-------Linux编译&GDB调试&Makefile&结构体大小计算

define_DEBUG#ifdef_DEBUG#defineDEBUG(fromat,...)printf("FILE:"__FILE__";LINE:%d;check:"fromat"\n",__LINE
Frank Castle·2023-08-02 04:45

2023.07.29 驱动开发DAY6

include#include#include#include#include#include#include#defineERR_MSG(msg)\do{\printf("LINE:%d\n",__LINE
逆鳞2233·2023-08-01 09:33

电子词典项目（有借鉴）

服务器#include#include#defineerr(msg)do{printf("__%d__",__LINE__);perror(msg);return-1;}while(0)#definePORT8888
(^-^)名字不重要！看头像(^-^)·2023-07-31 09:19

2023.7.30(epoll实现并发服务器)

include#include#include#include#include#include#defineERR(msg)\do{\printf("%s%s%d:",__FILE__,__func__,__LINE
颜x小·2023-07-30 17:36

＜C语言＞ 预处理和宏

1.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ANSIC，
ikun66666·2023-07-30 14:35

epoll多路复用_并发服务器

include#include#include#include#include#include#include#defineERR_MSG(msg)\do\{\printf("line:%d\n",__LINE
清寒_hzw·2023-07-30 08:37

OC常用的宏定义

ifdefDEBUG#defineLPHLog(fmt,...)NSLog((@"[文件名:%s]\n""[函数名:%s]\n""[行号:%d]\n"fmt),__FILE__,__FUNCTION__,__LINE
Pierce_蛋·2023-07-28 10:11

iOS控制台输出为汉字

fprintf(stderr,"\n%s:%d%s\n",[[[NSStringstringWithUTF8String:__FILE__]lastPathComponent]UTF8String],__LINE
Appstore_花木源·2023-07-28 07:21

netday4广播/组播/多进程/多线程

include#include#include#include#include#include#include#defineERR_MSG(msg)do{\fprintf(stderr,"__%d__",__LINE
罗汉果1222·2023-07-28 06:45

netday5多路复用

include#include#include#include#include#include#include#defineERR_MSG(msg)do{\fprintf(stderr,"__%d__",__LINE
罗汉果1222·2023-07-28 06:45

7-7作业

发送端#include#include#include#include#include#include#defineERR_OR(msg)do{\fprintf(stderr,"__%d__",__LINE
(^-^)名字不重要！看头像(^-^)·2023-07-25 23:44

复习网络客户端/用户

include#include#include#include#include#include//宏定义#defineERR_MSG(msg)do{fprintf(stderr,"line:%d\n",__LINE
meiyuefish·2023-07-25 11:51

TFTP搭建的下载与上传

include#include#include#include#include#include#include#defineERR_MSG(msg)do{fprintf(stderr,"line:%d",__LINE
meiyuefish·2023-07-25 11:20

tcp循环式服务器

include7#include8#include9//#include1011//打印错误新的宏函数12#defineERR_MSG(msg)do{\13fprintf(stderr,"__%d__",__LINE
weixin_47440242·2023-07-25 11:42

预处理详解（一）—— 预定义符号

预定义符号主要有以下几个：__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__FUNCTION__//进行编译的函数
2021dragon·2023-07-22 12:25

预处理详解（一）---预定义符号

预定义符号主要有以下几个：__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__FUNCTION__//进行编译的函数
Yumpie_·2023-07-22 12:54

C语言打印额外信息(文件名/函数名/行号/时间信息)

1.标准库中一些特殊的宏__FILE__：文件名(字符串)__FUNCTION__or__func__：函数名(字符串)__LINE__：当前打印函数所在的行号(整型数据)__DATE__：当
渣渣小码·2023-07-22 07:08

C/C++ 使用 define 实现运行时函数是在哪个文件哪个函数被调用

demo2.h#includevoidtestFunc(intnum){std::cout#definetestFunc(num)__testFunc(num,__FILE__,__FUNCTION__,__LINE
yong1585855343·2023-07-18 10:10

qt:通过命令压缩zip文件

")){cmd="/usr/bin/zip";}else{cmd="zip";}process.start(cmd,QStringList()=0&&s.st_size>0){qDebug()<<__LINE
但行技术·2023-07-14 21:45

dayadasd

include#include#include#include#include#include#include#defineERR_MSG(msg)do{\fprintf(stderr,"line:%d",__LINE
WaWaKaKa2K·2023-06-24 10:03

6.23 驱动开发作业

include#include#include#include#include#include#include#defineERR_MSG(msg)do{\fprintf(stderr,"line:%d",__LINE
郏公柳易袁·2023-06-24 02:22

cuda checkCudaErrors

=(a)){\fprintf(stderr,"Cudaruntimeerrorinline%doffile%s\:%s\n",__LINE__,__FILE__,cudaGetErrorString(cudaGetLastError
maxruan·2023-06-23 01:28

带错误检测的CUDA资源管理

为什么使用宏定义，而不是函数定义，是因为函数定义的话，如果希望在出错误的时候直接输出出错位置的文件和行号，就需要在使用接口的时候，将__FILE__和__LINE__传入进去，有点麻烦，因此使用了宏定义的方式下面是具体代
用户名溢出·2023-06-20 11:58

网络编程 day32

include#include#include#include#include#include#defineERR_MSG(msg)do{\fprintf(stderr,"\nline:%d:%s%s",__LINE
我没说你可以肘了·2023-06-18 02:55

网络编程 day30

include#include#include#include#include#include#defineERR_MSG(msg)do{\fprintf(stderr,"\nline:%d:%s%s",__LINE
我没说你可以肘了·2023-06-18 02:25

网络编程作业

include#include#include#include#include#include#include#defineERR_MSG(msg)do{\fprintf(stderr,"lind%d\n",__LINE
小白选手–c·2023-06-15 22:23

fttp项目下载和上传

include#include#include#include#include#include#include#defineERR_MSG(msg)do{\fprintf(stderr,"line%d\n",__LINE
小白选手–c·2023-06-15 22:23
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