Category "c"

Why can't local variable be used in GNU C basic inline asm statements?

Why cannot I use local variables from main to be used in basic asm inline? It is only allowed in extended asm, but why so? (I know local variables are on the st

How can I create a 2D array of chars with POINTERS in C?

I'm trying to create a program which the user inputs the number of items (rows) and give each one of them a name (scanf) with the max of 30 characters. I want t

C Pointer Arithmetic for Unusual Architectures

I'm trying to get a better understanding of the C standard. In particular I am interested in how pointer arithmetic might work in an implementation for an unusu

enabling paging leads to triple fault

In case this helps somebody in the future: check if the global descriptor table is working check if the elements of page table entry struct are ordered correctl

flickering in allegro with loops

The red bars a cross the top flickers. I can make them out of the loop but not in the loop. #include <allegro.h> void init(); void deinit(); int main() {

How to make an IIR filter?

i'm trying to make IIR filter. I made FIR filter, but I feels IIR is more difficult than FIR. I think IIR is similar with FIR, but it made me feels confused.

terminated by signal SIGKILL (Forced quit) DIFFERENT ERROR

I faced another problem here again with terminated by signal SIGSEGV (Address boundary error) But I found that there's an output here : Sequential elapsedTime:

Why can I not combine these two chars using strcat when they are both chars?

I am working on a game for the 3ds and I want it to be a cmd type game (I just felt like it). I am trying to have this char move to whatever x and y int number

In android how to find what /dev/input/event* is used for touchscreen using c function

I am trying to read touchscreen event, in my device /dev/input/event4 is used for touchscreen, while in some other phone, event7 is used for touchscreen. I am l

Is _Thread_local independent from __STDC_NO_THREADS__?

It seems that currently _Thread_local is independent from __STDC_NO_THREADS__. Consequence: even if an implementation defines __STDC_NO_THREADS__ to 1, then it

Pointers being declared in structs in c

struct charact { char ch; int occurs; struct charact *next; }; What is "next" in this struct exactly?

MISRA C 2012 Rule 15.4 and replacing goto's with break's

Regarding to MISRA C 2012 rule 15.4 - "There should be no more than one break or goto statement used to terminate any iteration statement." - is this example co

Setting a pointer to a specific array and/or struct element

Here is the scenario: I have an array, AllElements of structure ElementSet, and inside of that structure - is a set of myElement structures and also an array of

Write a program in C to display the n terms of even and odd natural number and their sum using functions

#include <stdio.h> int sum_even(int n); int sum_odd(int m); int main() { int n; scanf("%d", &n); int m; scanf("%d", &m); i

Is there a standard for mentioning variables within comments?

I understand that, in principle, modern programming languages are intended to be used in a manner where the code written is self-documenting. However, I was tau

How to Scroll a ScrolledWindow with arrow keys in Gtk 3.24.5?

I have a gtk entry right below the scrolled window which has the default focus , left and right keys move the cursor in the entry ,I am able to catch the key pr

Is CallCC an improved version of goto?

My background is Javascript, Python & a bit of Haskell. I am trying to understand callCC, there are many explanations but I can't find them trivial & I

How do you check if a c code is comiling with linux?

I submitted a C Code for an homework I had and for me and my friends. It seemed to be working with no warnings. We used VSCodium and a Terminal with an textedit

How do you check if a c code is comiling with linux?

I submitted a C Code for an homework I had and for me and my friends. It seemed to be working with no warnings. We used VSCodium and a Terminal with an textedit

Can I call linux allocation API functions in C?

I want to allocate physical page frames using alloc_pages() in C. I have tried that in kernel module in it works fine. I want to make the code running in user s