How does this code generate the map of India?
This code prints the map of India. How does it work? #include <stdio.h> main() { int a,b,c; int count = 1; for (b=c=10;a=”- … Read more
C
static function in C
What is the point of making a function static in C? Best Answer 7
Are there any downsides to passing structs by value in C, rather than passing a pointer?
Are there any downsides to passing structs by value in C, rather than passing a pointer? If the struct is large, there is … Read more
String literals: Where do they go?
I am interested in where string literals get allocated/stored. I did find one intriguing answer here, saying: Defining a string inline actually embeds … Read more
What does “#define _GNU_SOURCE” imply?
Today I had to use the basename() function, and the man 3 basename (here) gave me some strange message: Notes There are two … Read more
Why use bzero over memset?
In a Systems Programming class I took this previous semester, we had to implement a basic client/server in C. When initializing the structs, … Read more
Setting variable to NULL after free
In my company there is a coding rule that says, after freeing any memory, reset the variable to NULL. For example … void … Read more
What do people find difficult about C pointers? [closed]
As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, … Read more
Is char signed or unsigned by default?
In the book “Complete Reference of C” it is mentioned that char is by default unsigned. But I am trying to verify this … Read more
What does void* mean and how to use it?
Today when I was reading others’ code, I saw something like void *func(void* i);, what does this void* mean here for the function … Read more
