Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Login
Remember
Register
Ask
Q&A
All Activity
Hot!
Unanswered
Tags
Users
Ask a Question
Ask a Question
Categories
All categories
Topic[话题] (13)
Life[生活] (4)
Technique[技术] (2.1m)
Idea[创意] (3)
Jobs[工作] (2)
Others[杂七杂八] (18)
Code Example[编程示例] (0)
Recent questions tagged c
0
votes
585
views
1
answer
c - Enumerating each IP address assigned to network interfaces
I think there is no way to enumerate each network interface on my system and their assigned IP address using just ... this in a portable way? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c
0
votes
973
views
1
answer
c - fgets skip the blank line
I am writing a C program that use fgets to read in each line from a file. The problem is that if the file ... something } else { continue; } } See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c
0
votes
699
views
1
answer
c - const qualifier for pointers to pointers
I'm having a bit trouble deducing what is const, when applied to pointers to pointers, etc. i.e., what is const ... ***foo; Foo **const foo; See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c
0
votes
627
views
1
answer
c - Regarding NAPI implementation in Linux kernel
I am trying to understand the NAPI enabled Network driver and have some doubts regarding the same. If I talk about ... me clear picture on it. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c
0
votes
573
views
1
answer
c - Precedence of dereference and postfix
When I read the TCPL by K&R, I just couldn't understand two expressions: *p++ = val; /*push val onto stack * ... ,where the val should be!!! Thx See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c
0
votes
590
views
1
answer
c - Does kallsyms have all the symbol of kernel functions?
In the Linux kernel I want to probe the kernel function effective_prio(). It defined as static. When I go ... which symbols are not included? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c
0
votes
482
views
1
answer
c - Is there any scenario where function fma in libc can be used?
I come across this page and find there is an odd floating multiply add function --fma and fmaf. It says ... the cumstom usage for this func. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c
0
votes
551
views
1
answer
c - Function pointer without arguments types?
I was trying to declare a function pointer that points to any function that returns the same type. I omitted the ... Output: a + b = 10 See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c
0
votes
863
views
1
answer
c - Convert timeval to time_t
How do I convert timeval to time_t? I'm trying to convert: umtp->ut_tv to a time_t so I can use a difftime(a, ... ; /* Time entry was made */ See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c
0
votes
544
views
1
answer
c - Can strings be used as an array index?
Can a string be used as array index in C? Ex: String Corresponding value "ONE" 1 "TWO" 2 "FIVE" 5 " ... order to have a string-indexed array? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c
0
votes
570
views
1
answer
c - How to use `strtoul` to parse string where zero may be valid?
According to the documentation for strtoul, regarding its return value... This function returns the converted integral ... way to handle this? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c
0
votes
879
views
1
answer
c - Implicit declaration of function 'getaddrinfo' on MinGW
I have a C program that uses getaddrinfo(). It works as expected on Linux and Mac OS X. I'm in the middle ... not sure why this isn't working. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c
0
votes
607
views
1
answer
c - what does readable/writable mean in a socket file descriptor? And why regular files don't bother with that?
Since I'm new in learning libev recently, there's a readable/writable concept in a io_watcher that I don't quite ... len, int flags);, right? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c
0
votes
621
views
1
answer
c - Mono to Stereo conversion
I have the following issue here: I get a block of bytes (uint16_t*) representing audio data, and the device ... doing this? Thanks, f. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c
0
votes
542
views
1
answer
c - What is the difference between CreateFile() and CreateFileA()?
I am following the tutorial here to communicate with the serial port The main code to open and then close the ... 10 Visual Studio 2013 express See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c
0
votes
909
views
1
answer
c - How to print time_t in a specific format?
ls command prints time in this format: Aug 23 06:07 How can I convert time received from stat()'s mtime() into this format for local time? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c
0
votes
1.1k
views
1
answer
c - invalid application of 'sizeof' to incomplete type 'struct array[]'
I am trying to organize my project by splitting commands up into separate files for easier maintenance. The ... type-int-when-accessing-intege See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c
0
votes
535
views
1
answer
c - What is the purpose of using the [^ notation in scanf?
I have run into some code and was wondering what the original developer was up to. Below is a simplified ... is it trying to accomplish? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c
0
votes
715
views
1
answer
c - arm-linux-gnu-gcc fatal error: stdio.h: No such file or directory
These are the files in /usr/bin [root@xilinx bin]# ls -ld arm* -rwxr-xr-x. 1 root root 691752 Feb 5 ... . Host configuration Redhat 6, 64 bit See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c
0
votes
524
views
1
answer
c - union of structs sharing same first members
I have been looking into an un-traditional way of achieving struct "polymorphism" in pre-C11 C. Let's say ... from the standard given above? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c
0
votes
550
views
1
answer
c - Win32 clipboard and alpha channel images
My application should be able to copy 32-bit images (RGB + alpha channel) to the clipboard and paste these images from ... to it here as well... See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c
0
votes
527
views
1
answer
c - Can I re-define a function or check if it exists?
I have a question about (re-)defining functions. My goal is to have a script where I can choose to define a ... )func(); } Anybody an idea? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c
0
votes
726
views
1
answer
c - printf flush at program exit
I'm interested in knowing how the printf() function's flush works when the program exits. Let's take ... is appreciated. Thank you. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c
0
votes
840
views
1
answer
c - 8 bit shift operation in AVX2 with shifting in zeros
Is there any way to rebuild the _mm_slli_si128 instruction in AVX2 to shift an __mm256i register by x bytes? ... a solution for this problem? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c
0
votes
661
views
1
answer
c - How to prevent function from printing?
Is it possible to silence a function? For example: #include <stdio.h> int function(){ printf("BLAH!"); return 10 ... ? If positive how to do it? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c
0
votes
780
views
1
answer
c - K&R style function definition problem
The following code works: int main() { void foo(int); foo(3); return 0; } void foo(a) int a; { printf("In ... In foo "); } Why does this happen? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c
0
votes
747
views
1
answer
c - Why does malloc() call mmap() and brk() interchangeably?
I'm new to C and heap memory, still struggling to understand dynamic memory allocation. I traced Linux system ... a large amount of memory? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c
0
votes
690
views
1
answer
c - Why should strtok() be deprecated?
I hear this from a lot of programmers that the use of strtok maybe deprecated in near future. Some say ... Suggest any alternatives if possible. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c
Page:
« prev
1
...
20
21
22
23
24
25
26
27
28
29
30
...
208
next »
Ask a question:
Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question
Just Browsing Browsing
[1] 请问forge对rvt模型信息保留情况如何
[2] 谷歌插件上架提示隐私权???
[3] node项目,怎么创建一个非react或者vue什么的项目,可以直接执行,好打断点?
[4] 如何用正则表达式实现字符串反转
[5] javascript - How to fetch data that is just posted from mysql in react-native
[6] elementui tree拖拽的扩展
[7] embedded - How to force redraw/update QT eglfs top-level widget?
[8] vue的:style无法动态更新css值
[9] 关于数组转换对象的问题
[10] sql - PostgreSQL import from CSV NULL values are text - Need null
2.1m
questions
2.1m
answers
60
comments
56.8k
users
Most popular tags
javascript
python
c#
java
How
android
c++
php
ios
html
sql
r
c
node.js
.net
iphone
asp.net
css
reactjs
jquery
ruby
What
Android
objective
mysql
linux
Is
git
Python
windows
Why
regex
angular
swift
amazon
excel
algorithm
macos
Java
visual
how
bash
Can
multithreading
PHP
Using
scala
angularjs
typescript
apache
spring
performance
postgresql
database
flutter
json
rust
arrays
C#
dart
vba
django
wpf
xml
vue.js
In
go
Get
google
jQuery
xcode
jsf
http
Google
mongodb
string
shell
oop
powershell
SQL
C++
security
assembly
docker
Javascript
Android:
Does
haskell
Convert
azure
debugging
delphi
vb.net
Spring
datetime
pandas
oracle
math
Django
联盟问答网站-Union QA website
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
DevDocs API Documentations
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
在这了问答社区
DevDocs API Documentations
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
DevDocs API Documentations
广告位招租
...