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Questions tagged c

2808 questions · page 45 of 57

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46
votes
6
answers

How is sleep implemented at the OS level?

c operating-system sleep
asked 2009-11-12T00:32:57.593
54
votes
16
answers

Why is scanf() causing infinite loop in this code?

c gcc scanf
asked 2009-11-11T15:39:29.810
16
votes
3
answers

Why is fseek or fflush always required between reading and writing in the update modes?

c file-io fseek
asked 2009-11-11T08:29:57.577
28
votes
1
answers

Why doesn't gcc allow a const int as a case expression?

c objective-c gcc constants
asked 2009-11-11T02:55:07.933
9
votes
6
answers

Unit testing for failed malloc()

c unit-testing memory-management libc
asked 2009-11-10T21:04:46.777
71
votes
12
answers

What is the maximum length in chars needed to represent any double value?

c++ c floating-point
asked 2009-11-09T13:43:07.917
87
votes
6
answers

Giving Command line arguments in Xcode in C program

c xcode command-line
asked 2009-11-09T02:39:10.730
73
votes
4
answers

Perceptron learning algorithm not converging to 0

c algorithm machine-learning neural-network perceptron
asked 2009-11-08T17:25:51.443
62
votes
9
answers

Why isn't C/C++'s "#pragma once" an ISO standard?

c++ c pragma include-guards
asked 2009-11-08T08:52:00.260
42
votes
4
answers

Multi-threaded debugging tutorial for GDB and C

c multithreading debugging gdb
asked 2009-11-08T03:23:47.117
13
votes
5
answers

Validate max integer in scanf

c scanf
asked 2009-11-07T20:18:16.220
11
votes
6
answers

Is there any way to determine the available stack space at run time?

c linux compiler-construction stack stack-overflow
asked 2009-11-07T17:46:08.527
12
votes
10
answers

memory address positive or negative value in c?

c memory-address
asked 2009-11-06T18:29:48.573
12
votes
6
answers

Variable arguments in C, how to get values with a generic type?

c variadic-functions
asked 2009-11-06T17:02:51.680
14
votes
1
answers

Spaghetti stack in C

c data-structures
asked 2009-11-05T21:35:30.327
10
votes
7
answers

Bytes to Binary in C

c binary byte bit
asked 2009-11-05T19:36:31.500
11
votes
3
answers

How to initialize a shared library on Linux

c++ c linux initialization shared-libraries
asked 2009-11-05T15:08:51.253
9
votes
3
answers

Confusion in htons- little endian/ big endian

c network-programming endianness htonl
asked 2009-11-05T05:14:56.937
72
votes
9
answers

Why enclose blocks of C code in curly braces?

c scope curly-braces
asked 2009-11-05T01:25:51.393
106
votes
15
answers

Does stack grow upward or downward?

c memory stack
asked 2009-11-04T23:33:44.247
11
votes
3
answers

Delete files while reading directory with readdir()

c
asked 2009-11-04T20:51:56.973
11
votes
1
answers

How to handle EINTR (interrupted System Call)

c++ c linux
asked 2009-11-04T14:40:08.680
13
votes
9
answers

How much memory does a constant take in C?

c constants
asked 2009-11-03T16:23:34.150
26
votes
3
answers

Can likely/unlikely macros be used in user-space code?

c linux gcc optimization likely-unlikely
asked 2009-11-03T15:25:03.503
11
votes
4
answers

What does the colon mean in struct declarations in C?

c++ c
asked 2009-11-03T10:46:54.837
158
votes
11
answers

Are typedef and #define the same in C?

c macros c-preprocessor typedef
asked 2009-11-03T09:57:30.463
92
votes
10
answers

What is the size of void?

c++ c language-lawyer sizeof
asked 2009-11-03T09:30:11.360
134
votes
8
answers

Do threads have a distinct heap?

c windows linux multithreading stack
asked 2009-11-03T05:30:44.637
20
votes
6
answers

Is it possible to use a Unicode "argv"?

c unicode command-line-arguments
asked 2009-11-03T00:00:23.387
13
votes
3
answers

Using enum in Objective-C?

ios objective-c c enums
asked 2009-11-02T16:08:59.937
28
votes
6
answers

Where is stdbool.h?

c linux gcc boolean
asked 2009-11-01T10:59:56.370
24
votes
3
answers

Difference between statvfs() and statfs() system calls?

c linux mount vfs
asked 2009-10-31T02:01:47.717
12
votes
4
answers

Is it possible to check whether you are building for 64-bit with Microsoft C Compiler?

c windows 64-bit visual-c++
asked 2009-10-30T03:52:22.773
265
votes
15
answers

#define macro for debug printing in C?

c c-preprocessor
asked 2009-10-29T16:17:32.077
270
votes
10
answers

Is an array name a pointer?

c arrays pointers
asked 2009-10-29T06:38:05.200
10
votes
9
answers

Best way to setup a Windows build environment for C/C++

c++ c windows cygwin mingw
asked 2009-10-28T19:24:24.690
10
votes
2
answers

Generators in C

c
asked 2009-10-28T14:52:24.227
10
votes
3
answers

backlog value in listen system call

c linux sockets tcp
asked 2009-10-28T07:58:34.263
19
votes
6
answers

Flags, enum (C)

c enums flags
asked 2009-10-27T14:40:11.007
87
votes
6
answers

Alternative (K&R) C syntax for function declaration versus prototypes

c function function-declaration kernighan-and-ritchie function-definition
asked 2009-10-27T12:59:29.717
26
votes
4
answers

What is the size of an empty struct in C?

c compiler-construction
asked 2009-10-26T18:21:00.737
10
votes
13
answers

Multithreading using C on PIC18

c multithreading embedded pic pic18
asked 2009-10-26T11:14:02.330
16
votes
8
answers

Is there any safe strcmp?

c++ c strcmp
asked 2009-10-26T09:02:21.873
45
votes
10
answers

Programmatic way to get variable name in C?

c variables variable-names
asked 2009-10-26T04:42:58.340
10
votes
3
answers

Macro indicating I/O pins used

c embedded microchip
asked 2009-10-26T03:20:39.717
25
votes
5
answers

How to find largest triangle in convex hull aside from brute force search

c algorithm geometry
asked 2009-10-25T16:46:20.427
14
votes
6
answers

When to use function-like macros in C

c function c-preprocessor
asked 2009-10-24T03:05:12.380
13
votes
12
answers

Why does an empty loop use so much processor time?

c++ c
asked 2009-10-23T23:16:41.343
30
votes
8
answers

Why is this string reversal C code causing a segmentation fault?

c string segmentation-fault
asked 2009-10-23T17:01:29.123
10
votes
4
answers

Linux - serial port read returning EAGAIN

c linux serial-port
asked 2009-10-23T14:39:56.287
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