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Top Questions
13
votes
Zero-initializing large dynamically allocated arrays of double
performance
c
array
memory-management
asked Dec 19, 2016 at 0:31
codereview.stackexchange.com
12
votes
Is there a simple, portable way to determine the ordering of two characters in C?
c
language-lawyer
asked Oct 7, 2016 at 19:23
stackoverflow.com
12
votes
Counting the number of "on" bits in an int
c
integer
bitwise
asked Nov 4, 2016 at 21:36
codereview.stackexchange.com
12
votes
Implementation of C Standard Library Function ntohl()
c
reinventing-the-wheel
integer
library
bitwise
asked Dec 13, 2016 at 4:00
codereview.stackexchange.com
7
votes
How can an (int) be converted to (unsigned int) while preserving the original bit pattern?
c
casting
bit-manipulation
asked Nov 5, 2016 at 16:18
stackoverflow.com
6
votes
Why do for(;;) loops behave like infinite loops?
c
for-loop
language-lawyer
asked Oct 1, 2016 at 17:06
stackoverflow.com
5
votes
Is it UB to access an element one past the end of a row of a 2d array?
c
arrays
pointers
multidimensional-array
language-lawyer
asked Jul 8, 2017 at 15:04
stackoverflow.com
Top Answers
46
Is &*NULL well-defined in C?
stackoverflow.com
22
Does the C standard require the size of an array of n elements to be n times the size of an element?
stackoverflow.com
19
Curly braces as argument of function
stackoverflow.com
15
Pass an array by value
stackoverflow.com
15
using scanf("%d ") with a space after the %d
stackoverflow.com
13
better understanding type promotion of variadic parameters in c
stackoverflow.com
13
What, exactly, is memcmp supposed to return?
stackoverflow.com
12
Why is for(;;); an infinite loop?
stackoverflow.com
12
Calculating bits required to store decimal number
stackoverflow.com
11
How does getmaxyx work? (from curses)
stackoverflow.com
11
Functions that return multiple values Lua
stackoverflow.com
11
Can a local variable exist before a combined declaration/assignment?
stackoverflow.com
11
Why is _Alignof missing from the rule about converting an array to a pointer?
stackoverflow.com
9
How do I strip a file extension from a string in C?
stackoverflow.com
9
What does scanf("%*[\n] %[^\n]", input_string); do?
stackoverflow.com
9
What's the difference between a and a + 0 as C pointers?
stackoverflow.com
8
Is it safe to return const char * that was assigned string literal from function?
stackoverflow.com
8
Why does "setf" not work when using "let"?
stackoverflow.com
8
Why I can't (push 3 '()) in Common Lisp's REPL?
stackoverflow.com
8
Is signed char overflow undefined within the range -255 to 255?
stackoverflow.com
8
strcat implementation
codereview.stackexchange.com
7
while (getchar () != '\n' );
stackoverflow.com
7
Steamlined way of reading a file with zig
stackoverflow.com
7
How to compile and run in one line on linux terminal?
stackoverflow.com
7
Why Slime's debugger is not evaluating this specific expression in the selected frame?
stackoverflow.com
7
Why is it possible to use unquote-splicing on a non-list at the end of a quasiquoted list?
stackoverflow.com
7
Why does the position of arguments matter in cons?
stackoverflow.com
7
Scheme get last command in guile
stackoverflow.com
6
Convert string name to uppercase
codereview.stackexchange.com
6
Is behaviour of this function defined?
stackoverflow.com
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