Can we able to write a program to get system info without using predefined function which is stored in header file? In C

Question

I want to get a system info, by using user defined function..... in C

With out using predefined function like uname() && system () which is included in its relevant header files.....

Is it possible to make it?

If yes means, please tell me how can I done it via C - Programming?

And also tell me, what concept should i want to learn.....
If I want to do this process.....

https://code.sololearn.com/cO5Q1p8FcMBZ/?ref=app

Answer 1

Martin Taylor can you tell me, system info obtaining header files like #include<sys/utsname.h> written in which language?

And also tell me....
Predefined function like system () and uname() created or written by which language?

Answer 2

Martin Taylor thank you very much😊

Answer 3

Martin Taylor can you tell me what is the use of POSIX?

and why it was created?

Please tell me.....

Answer 4

Thank you very much Martin Taylor 😊