Category "c"

In C is it faster to use the standard library or write your own function?

For example, in <ctype.h> there are functions like isalpha(). I want to know if writing an isalpha function on my own is faster than calling isalpha? Th

VS Code C Error - Invalid Active Developer Path

xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun This is

How to hide helper functions from public API in c

I'm working on a project and I need to create an API. I am using sockets to communicate between the server (my application) and the clients (the other applicat

Minimal implementation of sprintf or printf

I'm working on an embedded DSP where speed is crucial, and memory is very short. At the moment, sprintf uses the most resources of any function in my code. I o

warning: format ‘%s’ expects type ‘char *’, but argument 2 has type ‘char (*)’

I am trying to run a simple C program but I am getting this error: warning: format ‘%s’ expects type ‘char *’, but argument 2 has ty

Minimal implementation of sprintf or printf

I'm working on an embedded DSP where speed is crucial, and memory is very short. At the moment, sprintf uses the most resources of any function in my code. I o

warning: format ‘%s’ expects type ‘char *’, but argument 2 has type ‘char (*)’

I am trying to run a simple C program but I am getting this error: warning: format ‘%s’ expects type ‘char *’, but argument 2 has ty

hex code implementation for spawning a shell

I am trying to implement the codes given in smashing the stack for fun and profit by Aleph to learn the basics of buffer overflow attacks. Machine architecture:

hex code implementation for spawning a shell

I am trying to implement the codes given in smashing the stack for fun and profit by Aleph to learn the basics of buffer overflow attacks. Machine architecture:

hex code implementation for spawning a shell

I am trying to implement the codes given in smashing the stack for fun and profit by Aleph to learn the basics of buffer overflow attacks. Machine architecture:

Implicit declaration of functions srand, rand and system

Trying to solve an exercise where I have to print a random temperature value between 35°C & -10°C every 5 seconds followed by the date and time. Eve

Implicit declaration of functions srand, rand and system

Trying to solve an exercise where I have to print a random temperature value between 35°C & -10°C every 5 seconds followed by the date and time. Eve

Implicit declaration of functions srand, rand and system

Trying to solve an exercise where I have to print a random temperature value between 35°C & -10°C every 5 seconds followed by the date and time. Eve

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