C

rings and kernel – OSDev (Operating System Development)

April 13, 2026

The central kernel (or kernel land) necessarily runs on Ring 0 In x86 architecture, “rings” are levels of CPU privilege. Ring 0 has complete control […]

using a static library (.a) in c

November 4, 2025

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| ar-rcs, C, information, interface, static-library, struct, structure

To create a static library (.a), you must first execute the command “ar rcs” You need to add the .a extension of the static library […]

If you want to have all the code in a C file

October 18, 2025

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| C, information, typedef

what that single file would look like: remember: It is to define aliases, to write something easier and invoke the same thing, it is a […]

malloc for a dynamic object, such as a linked list

October 17, 2025

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| C, information

for example if you have a struct: We must free memory for the node that has constant memory or a multiple of itself: In a […]

free in C

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| C, information

The free function in C is used to free or evict memory that was previously dynamically allocated using functions such as malloc, calloc, or realloc. […]