Implement copy linux command using c program | Cp command in C language

How to implement copy or cp linux command using c program is shown

[raheeminator]

Thank u so much. I am a new freshman in university studying Software Engineering

[lockinvarprasanna]

can u put videos on cut and sort cmd implementation using c programming

[soulefotmanine]

I did the same steps as you, but ./a.out tx1.txt tx2.txt signals me segmentation fault.. idk why

[boristheimperialfist]

question, Is this the "more" command?