Top "C" questions

Constant pointer vs Pointer to constant

I want to know the difference between const int* ptr; and int * const ptr; and how it works. It is …

c pointers constants

Why does ENOENT mean "No such file or directory"?

What does the ENT mean in ENOENT? Shouldn't the error: No such file or directory just be named by ENOFILE? …

c linux unix

Why use pointers?

I know this is a really basic question, but I've just started with some basic C++ programming after coding a …

c++ c pointers

How to reverse a singly linked list using only two pointers?

I wonder if there exists some logic to reverse a singly-linked list using only two pointers. The following is used …

c algorithm data-structures linked-list singly-linked-list

'uint32_t' identifier not found error

I'm porting code from Linux C to Visual C++ for windows. Visual C++ doesn't know #include <stdint.h> …

c++ c visual-c++

C: Run a System Command and Get Output?

Possible Duplicate: How can I run an external program from C and parse its output? I want to run a …

c linux system

How do I lowercase a string in C?

How can I convert a mixed case string to a lowercase string in C?

c string lowercase

Reading numbers from a text file into an array in C

I'm a programming noob so please bear with me. I'm trying to read numbers from a text file into an …

c arrays file scanf

Difference between signed / unsigned char

So I know that the difference between a signed int and unsigned int is that a bit is used to …

c types unsigned

"Unresolved inclusion" error with Eclipse CDT for C standard library headers

I set up CDT for eclipse and wrote a simple hello world C program: #include <stdio.h> int …

c eclipse eclipse-cdt standard-library