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Questions tagged c

2808 questions · page 4 of 57

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16
votes
1
answers

Passing Argument 1 discards qualifiers from pointer target type

c program-entry-point argv
asked 2013-03-13T23:36:24.920
30
votes
1
answers

Why doesn't floor return an integer?

c++ c
asked 2013-03-11T20:39:32.943
32
votes
1
answers

The shortest C program, still causes segfault

c gcc segmentation-fault
asked 2013-03-11T07:23:51.020
8
votes
1
answers

linux/list.h - How to safely remove items from the list?

c list linux-kernel
asked 2013-03-11T06:22:37.783
9
votes
2
answers

hiding functions in C

c linux ld-preload
asked 2013-03-10T12:25:28.313
10
votes
1
answers

stderr undeclared identifier

c
asked 2013-03-08T08:26:02.107
10
votes
1
answers

Explanation of sigsuspend needed

c unix process signals
asked 2013-03-07T23:30:24.980
10
votes
2
answers

how much memory is my kernel module using?

c linux memory kernel
asked 2013-03-07T21:48:13.593
8
votes
1
answers

How to print a guint64 value when using glib?

c glib
asked 2013-03-07T13:53:44.167
9
votes
3
answers

Building fast Android app - Java or native?

java android c++ c
asked 2013-03-06T22:21:42.360
8
votes
1
answers

Netlink Sockets in C using the 3.X linux kernel

c linux-kernel netlink
asked 2013-03-05T04:32:43.230
25
votes
1
answers

Difference between char* var; and char *var;?

c pointers ansi-c
asked 2013-03-04T22:12:02.333
120
votes
13
answers

Bind failed: Address already in use

c linux sockets
asked 2013-03-04T09:59:48.687
10
votes
1
answers

Is it possible to repeat getopt

c getopt
asked 2013-03-02T22:04:11.127
8
votes
4
answers

Is memcpy process-safe?

c++ c process thread-safety memcpy
asked 2013-02-28T20:36:01.153
19
votes
2
answers

Why does the C++ stdlib rand() function give different values for the same seed across platforms?

c++ c random std
asked 2013-02-27T10:14:08.353
16
votes
2
answers

libjpeg API and Reference

c libjpeg
asked 2013-02-26T23:09:59.027
77
votes
2
answers

Simple way to check if a string contains another string in C?

c string substring
asked 2013-02-26T20:47:20.320
22
votes
2
answers

Are these comments about GCC's optimisations valid?

c++ c optimization gcc
asked 2013-02-26T15:44:59.193
11
votes
3
answers

Mutex implementation and signaling

c++ c mutex implementation
asked 2013-02-26T13:20:56.737
10
votes
3
answers

C how to draw a point / set a pixel without using graphics library or any other library functions

c
asked 2013-02-25T16:49:51.607
8
votes
2
answers

GNU Make "Abort trap: 6" after gcc call however call is valid when executed alone

c makefile gnu-make
asked 2013-02-21T21:52:55.243
26
votes
6
answers

C: Get substring before a certain char

c string char
asked 2013-02-21T15:40:27.440
15
votes
1
answers

Function pointer equality in C

c unix function-pointers elf dynamic-loading
asked 2013-02-20T16:52:10.603
16
votes
2
answers

copy_to_user vs memcpy

c linux-kernel linux-device-driver memcpy
asked 2013-02-20T01:20:46.103
9
votes
6
answers

How to use typed constants with "unused variable" warnings?

objective-c c xcode
asked 2013-02-18T23:34:57.370
38
votes
2
answers

Casting a void pointer to a struct

c casting void
asked 2013-02-18T22:19:54.330
17
votes
2
answers

How to compile library on C using GCC?

c gcc compilation include libraries
asked 2013-02-17T08:40:12.020
31
votes
4
answers

how to properly reuse a curl handle

c curl libcurl handle
asked 2013-02-16T14:08:47.417
11
votes
0
answers

Allegro 5 crashes on calling al_clear_to_color(ALLEGRO_COLOR)

c++ c runtime-error allegro allegro5
asked 2013-02-15T19:27:16.867
9
votes
2
answers

I was perusing glibc when I came across the socket code, can someone explain what is going on?

c glibc
asked 2013-02-14T19:13:11.537
11
votes
7
answers

Write a C function that round up a number to next power of 2

c
asked 2013-02-11T13:30:06.330
9
votes
4
answers

Why are multiple increments/decrements valid in C++ but not in C?

c++ c language-lawyer lvalue incompatibility
asked 2013-02-10T14:52:27.057
9
votes
5
answers

How can I write a 'clamp' / 'clip' / 'bound' macro for returning a value in a given range?

objective-c c macros predefined-macro
asked 2013-02-08T09:39:40.757
23
votes
5
answers

Function Prologue and Epilogue in C

c++ c assembly stack-frame epilogue
asked 2013-02-08T03:53:06.187
63
votes
7
answers

What is "!!" in C?

c gcc boolean boolean-expression
asked 2013-02-07T13:12:58.260
92
votes
7
answers

What is the default C -std standard version for the current GCC (especially on Ubuntu)?

c ubuntu gcc c99 c11
asked 2013-02-06T19:24:22.930
296
votes
5
answers

printf() formatting for hexadecimal

c printf hex
asked 2013-02-06T16:20:07.007
24
votes
3
answers

What does the '-c' option do in GCC?

c gcc gdb
asked 2013-02-06T08:10:30.300
15
votes
2
answers

How to get enum count

c enums
asked 2013-02-05T21:18:13.940
12
votes
2
answers

GetDC(NULL) gets primary monitor or virtual screen?

c++ c winapi
asked 2013-02-05T19:39:30.810
14
votes
1
answers

GDB-Python scripting: any samples iterating through C/C++ struct fields

c++ python c scripting gdb
asked 2013-02-05T00:13:44.000
27
votes
2
answers

Clang Cross Compiling for ARM?

c linux arm clang cross-compiling
asked 2013-02-04T23:25:15.180
14
votes
2
answers

How does socket select() work?

c sockets file-descriptor
asked 2013-02-04T22:12:08.443
17
votes
7
answers

Is it possible to instruct C to not zero-initialize global arrays?

c gcc embedded c99
asked 2013-02-04T11:40:54.010
8
votes
3
answers

Difference between puts() and printf() in C while using sleep()

c sleep puts
asked 2013-02-04T04:10:43.593
21
votes
3
answers

libc random number generator flawed?

c algorithm math random glibc
asked 2013-02-04T00:25:06.737
8
votes
4
answers

Flex: Use Text File as Input Stream

c lex flex-lexer
asked 2013-02-02T20:08:09.850
8
votes
3
answers

How to run a c program in bash script and give it 2 arguments?

c bash shell
asked 2013-01-30T10:13:23.583
9
votes
5
answers

bitwise operators for finding less than in c

c bitwise-operators
asked 2013-01-29T17:01:56.600
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